Questions tagged [road-vehicles]

Use this tag for question about cars, trucks and other road transport.

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0answers
86 views

Is ceramic window-tinting film the type of window-tinting film that is able to block the most percentage of UV radiations from entering a car?

I read on http://thespokaneshop.com/spokane-window-tinting/different-types-window-tint-film (mirror): Ceramic film is also most effective in its blocking of ultraviolet light from the interior; in ...
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0answers
522 views

Do “big-battery” electric vehicles release more CO2 than diesel equivalents over their lifetime?

Autocar report that Mazda have made a surprising claim about electric vehicles with larger batteries (i.e. 95kWh): Mazda says it will never build a ‘big-battery’ electric car, because it believes ...
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1answer
494 views

Are Teslas with autopilot system safer than vehicles without it?

An AP article describes some recent crashes that may have been linked to the Tesla autopilot system. The article states that there have been three fatal crashes since 2016 potentially linked to the ...
20
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1answer
5k views

Did a man complain that his Pontiac wouldn't start whenever the ice cream he picked up was vanilla?

This story about a car that wouldn't start after its owner purchased vanilla ice cream has been used as an example of how customer service matters. (TL;DR The vanilla ice cream was faster to buy, so a ...
97
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4answers
23k views

Does the production of a Tesla battery produce as much CO2 as driving 200,000 km?

Recently I read on Greenpeace's website, that the production of a 100 kWh battery, as in the Tesla Model S, produces as much CO2 as driving a regular car for 200,000 km. Source: Tesla car ...
4
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1answer
707 views

Did hundreds of thousands of people die due to lack of seat belts in the period before they were made mandatory?

In a recent interview, Tesla founder Elon Musk gives a historical reference as example of slow government reaction to public harm: At 8m15s: Take something like seatbelts. It was known for, I ...
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0answers
183 views

Do reduced vehicle weight compromise safety? [closed]

According to this old article, reduced vehicle weight does not compromise safety. Figure 1 shows that the risk associated with lightweight cars has a very wide range. In other words, weight does ...
48
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2answers
17k views

Has an engineer called Trevor Jackson invented a revolutionary battery allowing for a car range of 1500 miles? [closed]

Since a few days several websites report about an alleged revolutionary electric vehicle fuel cell that enables 1500 miles range: Daily Mail Online StarCarSifu unserplanet.net Citing the Mail Online:...
14
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1answer
1k views

Did Henry Ford ever say “any color he wants as long as it’s black”?

It's a common quote to attribute to him. Did he ever actually say/write it? A customer can have a car painted any color he wants as long as it’s black.
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2answers
10k views

Was the Ford Model T black because of the speed black paint dries?

In this BBC news article labour historian and lecturer Steve Babson says: The reason the Ford Model-T was black, was because it was the only paint that would dry fast enough to keep pace with the ...
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1answer
731 views

Is there more than one registered motor vehicle for every adult in the US?

According to the US Census Bureau's table of estimated population as of July 1 each year, there were 268.3M people 14 years of age or older, including 260.1M people 16 years of age or older, including ...
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1answer
3k views

Did Winston Churchill praise Rolls-Royce engines?

In 1919, the world's first non-stop trans-Atlantic flight happened, and Rolls-Royce engines provided the power to make it happen. Marking the 100th anniversary of the 20th-century milestone, Rolls-...
3
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1answer
420 views

Does the Sion electric car solar cells provide enough charge for up to 30km travel per day?

Sonomotors have an electric car, the Sion. They claim that this car use its own solar-cells to charge the batteries in one day sufficient to drive up to 34km. Their information sheet says: Thus, ...
49
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1answer
12k views

Did a Tesla car collide with a Russian robot?

This story made the rounds in the news: a Tesla car "killed" an autonomous robot in Las Vegas in January 2019. There is some controversy about whether the incident was a real accident or a ...
2
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1answer
632 views

Did Dr Ulrich Mellinghoff Suggest 140Km/h would be a safer limit on Australian roads?

The description below has been shared by the Facebook group Sensible Speed Limits Australia which claims that Dr Ulrich Mellinghoff suggested 140km/h would be a safer speed limit in Australia. ...
15
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1answer
875 views

Are car headlights getting brighter?

This news story in Popular Science asks whether car headlights are getting brighter and concludes they are not: So are headlights actually getting brighter? The short answer is no—although ...
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2answers
783 views

Is the apparent drop in insect deaths on windshields due to a decline in insect populations?

The "windshield phenomenon" is a term given to the anecdotal observation that people tend to find fewer insects smashed on the windscreens of their cars now compared to a decade or several decades ...
3
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2answers
876 views

Is this accident footage authentic?

This video about texting and driving shows footage of a car crash. Many posters on YouTube claim that it is "obvious" that the crash is fake. It is not obvious to me either way. Is this footage ...
4
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1answer
352 views

Do cars produce more emissions idling than when in motion? [closed]

The author of this article claims that Cars produce more emissions when idling than when in motion. This seems like a patently false statement. How could cars produce more emissions when idling ...
11
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1answer
618 views

Is keyless theft/relay theft a practical threat for vehicles with fob/keyless entry?

Some sites, such as AutoExpress, are warning about a method of breaking into vehicles with keyless entry by capturing and relaying the fob's signal. To quote AutoExpress: The process criminals use ...
15
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1answer
1k views

Does one SUV tank of ethanol “take as much grain as could feed a person for a whole year?”

From The Great Transition, (c)2014, by Lester R. Brown (preface, page xiii): [F]illing the tank of a large SUV one time with ethanol takes as much grain as could feed a person for a whole year. ...
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3answers
1k views

Is the Katy Freeway the widest in the world?

According to this source and several others (like Sylvester Turner, the mayor of Houston), a section of I-10 in West Houston called the Katy Freeway is the widest highway on Earth. Its widest point is ...
11
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1answer
764 views

Are American standards on automotive turn signals demonstrably less safe than European ones?

In most countries outside North America, vehicles have separate turn signals which are amber rather than red. In the USA (and probably Canada) this is not part of the standards and a flashing brake ...
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2answers
35k views

Are cars in Arizona melting in the 2018 summer heat?

Facebook just posted to my timeline this picture claiming that cars in Arizona are melting in the heat. Is it true?
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1answer
530 views

Do we have enough renewable energy for a humanity only using electrical cars? [closed]

One of my relatives claimed that electrical cars are overhyped and my relative somewhere read that we don't even have enough (renewable!) power to support a humanity in which only electrical cars are ...
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0answers
2k views

Is filling multiple vehicles in one transaction at a gas station a safety hazard?

According to this gas station, pumping gasoline into more than one vehicle is a serious safety hazard: The gas station making this claim charges different customers different prices per gallon ...
9
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1answer
814 views

Do cars drop 7% in value every month?

In their email communication car-buying organization wijkopenautos.nl (wkda.de) claims cars drop 7% in value each month. Their exact claim is: Let op: een auto verliest iedere maand ongeveer 7% aan ...
12
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2answers
5k views

Is a tow truck driver killed every six days on average in the US?

Along I-90 in Massachusetts (and I presume elsewhere in the state), there is a digital billboard which sometimes displays a message from the Massachusetts Department of Transportation that a tow truck ...
5
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1answer
567 views

Can using heated car seats reduce fertility?

A family member warned me not to use heated car seats, since they cause infertility and cancer in both men and women. I searched the internet for a source for his claims and I found this Telegraph ...
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0answers
500 views

Do defensive driving courses reduce car accidents in teenage drivers?

A fairly common claim is that young learner drivers should take defensive driving courses so that they know what to do if they lose control of their car. This comes with the implications it will ...
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0answers
389 views

Is travelling by car better for preventing climate change than by plane?

From the Fairfax website traveller.com.au: Tourism and environmental damage: How travellers are ruining the world: Some friends of mine have stopped travelling. Pretty much, anyway. They're ...
117
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4answers
21k views

Does saying “sorry” after an accident count as legal admission of fault?

It is common knowledge that after a car accident (presumably other types too), one shouldn't say they are sorry to the other person. While probably intended as an expression of empathy, the claim is ...
41
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5answers
9k views

Does China control 85% of the supply of rare metals used in lithium batteries?

A selected letter in The Guardian talking about electric vehicles claims: The rare metals in lithium batteries are produced only in inconvenient places. More than 85% of the world’s supply comes ...
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2answers
641 views

Does E15 fuel damage cars newer than 2001?

Blogger David Woodsmall warns that E15 fuel (that is a blend of 15% ethanol and 85% gasoline) might be bad for some cars that are not certified to accept it: One of the chief complaints by E15 ...
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2answers
1k views

Has Pokémon Go caused hundreds of deaths?

This article in The Register claims that Pokémon Go may have a bad side effect on road safety. The headline is: Pokémon GO caused hundreds of deaths, increased crashes And the article summarises ...
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4answers
24k views

Does the source code of the software for a high-end car contain on average around 100 million lines of code?

This infographic shows the different number of lines that some software applications (or a general type of them) have on average. The number of lines shown for an average modern high-end car strikes ...
3
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0answers
499 views

Does Tesla's 70 kWh battery have 63 kg of lithium and if so, why? [closed]

I have found information that Tesla's 70 kWh battery pack has 63 kg of lithium: https://electrek.co/2016/11/01/breakdown-raw-materials-tesla-batteries-possible-bottleneck/ Considering there's only 13 ...
2
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1answer
250 views

Is it best not to use Reg 85/86 petrol at an elevation in place of 87?

There seems to be quite an amount of confusion over whether or not it's necessary to follow the manuals and fill up with 87 gasolene even at an elevation where 86 and 85 petrol is being sold as ...
2
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0answers
539 views

Is driving car in first gear bad for gearbox (or maybe for other mechanical parts)? [closed]

It's claimed sometimes that the first gear must be used only to start moving and you should shift into second as soon as possible because driving in first gear is not good for the gearbox/motor/in ...
5
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1answer
541 views

Are Maryland's vehicle emissions tests a net benefit for the environment?

I am skeptical that vehicle emissions programs like Maryland's VEIP are a net win overall. You generate emissions by driving there in the first place, and idling while you wait your turn. Almost all ...
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2answers
1k views

Are seat straps in child restraints less effective when they are twisted?

My wife and I have seen many parents in a rush buckle their kids in a car seat despite one of the straps being twisted (I've even done it myself a few times- don't tell my wife- because I had a hard ...
8
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2answers
946 views

Is the self-driving car technology of 2017 less lethal than human drivers?

Youtube channel veritasium, on a video called "The real moral dilemma of self-driving cars" (ref) claims that if all cars in 2017 were self-driving, hundreds of lives could be saved. So he is claming ...
4
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1answer
881 views

Is it possible to disable a vehicle with microwave oven magnetron from that distance

In the wellknown Youtube channel there is a scene where scooter had some kind of short circuit caused by magnetron used as a weapon from a distance. I never saw this channel to have fakes but one guy ...
11
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1answer
1k views

Can Doom run on a car's infotainment system?

In this youtube video a hacker claims it is easily possible to mod the infotainment system in his Porsche to run the game Doom using the controls of his car to control the game. This Gizmodo/Sploid ...
6
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1answer
464 views

Are Silvester (New Year's Eve) fireworks as pollutive as cars in one year?

In my local newspaper, the Salzburger Nachrichten, there was the following article to be found on 31st of December, 2016: Guten Rutsch - krach, bumm! Hell wird es wieder sein am Nachthimmel und ...
2
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1answer
304 views

Does using a neck brace reduce damage taken in a car crash?

In the movie Focus, you can find this scene, where a man puts on a neck brace, before crashing into another car, and this same guy seems to be the only one unscathed. I know movies tend to portray ...
12
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1answer
850 views

Do Chevrolet commercials feature “Real people. Not actors.”?

Many Chevrolet commercials I have seen in the past few years have started off with the disclaimer: "Real People. Not Actors". They have several of these commercials such as this one and that one. ...
7
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1answer
2k views

What is the real history behind of the Ford GAA engine?

I have been searching for quite some time trying to find out if what I have heard is true with the history of how the Ford GAA engine came to be. (Note: this site has some errors, such as its ...
6
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0answers
436 views

Can aspirin revive a flat car battery?

I just read this article on The Reader's Digest which writes to say If you get behind the wheel only to discover that your car’s battery has given up the ghost — and there’s no one around to ...
8
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1answer
852 views

Did DUI fatalities increase or decrease due to legalization of marijuana?

I've seen conflicting articles claiming that DUI fatalities either increased or decreased after states legalized marijuana. Here are two samples, though there are many articles out there; "Since ...