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

11
votes
1answer
566 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
votes
1answer
927 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. ...
4
votes
2answers
772 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 ...
10
votes
1answer
581 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 ...
90
votes
2answers
33k 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?
1
vote
1answer
502 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 ...
8
votes
0answers
687 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 ...
10
votes
1answer
655 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 ...
11
votes
1answer
1k 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
votes
1answer
472 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 ...
7
votes
0answers
362 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 ...
2
votes
0answers
337 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 ...
110
votes
4answers
20k 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 ...
40
votes
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 ...
7
votes
2answers
591 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 ...
14
votes
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 ...
75
votes
4answers
23k 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
votes
0answers
448 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
votes
1answer
241 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
votes
0answers
377 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 ...
6
votes
1answer
444 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 ...
7
votes
2answers
613 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 ...
7
votes
2answers
836 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
votes
1answer
602 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 ...
7
votes
0answers
975 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 ...
7
votes
1answer
450 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
votes
1answer
218 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 ...
13
votes
1answer
716 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. ...
8
votes
1answer
1k 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 ...
7
votes
0answers
344 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 ...
7
votes
1answer
802 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 ...
14
votes
0answers
282 views

Did unrestricted speed limits lead to fewer deaths in the Northern Territory of Australia?

Drive reports that a section of highway in the Northern Territory has has been switched back and forth between no speed limit, and 130 km/h speed limits over the past decade or so, with some dispute ...
15
votes
2answers
559 views

Does 80-90% of the environmental and health damage a car causes come from manufacturing?

Claim from the video The First 3D-Printed Supercar: How we make them [cars] is much more important than how we fuel them and whether they have a tailpipe or not. 80 to 90 percent or more of the ...
11
votes
0answers
341 views

Do trains/boats/planes involved in accidents have a lower occupancy?

This Article from the daily mail makes some interesting (and rather ludicrous) claims, but one stuck out to me specifically. The article argues that higher cancellation rates/lower occupancy on ...
6
votes
0answers
499 views

Do strobes on top of school buses improve safety?

Background In many states of the USA, school buses are fitted with a "roof-mounted strobe". In some states, they are required by law: Mike Simmons, state director in Arkansas, says that the state'...
26
votes
2answers
6k views

Are recent claims from India of a car fueled by water and calcium carbide legitimate?

Recently, I came across a video and a news report where it has been reported that a man from India has invented a car which uses water as a key fuel component. The car runs on acetylene gas produced ...
7
votes
1answer
292 views

Was there a time when the RSL banned Japanese cars from their carparks?

From Prime Minister - Address at CEDA's 2014 State of the Nation Conference, Parliament House, Canberra Prime Minister Menzies for instance opened up trade with Japan at a time when Japanese cars ...
6
votes
0answers
350 views

Was a self-driving car pulled over by police for the first time last month (November 2015)?

I read in this Bloomberg article Google cars have been in 17 minor crashes in 2 million miles (3.2 million kilometers) of testing. [...] Ten days later, a Mountain View motorcycle cop ...
10
votes
1answer
532 views

Does an e-bike produces only 1/10 carbon emissions for each mile of an conventional electric car?

According to Lin, Bo (Deputy General Director at Furi E-Bike1): he says the following in an interview in the program Horizons from WOBI: Bicycles to lead acid battery generates some pollution. The ...
7
votes
1answer
602 views

Can all new gasoline vehicles run on E85 ethanol-based fuel?

From the the documentary Pump at 1:07: NARRATOR: But what if we don't need a flex fuel car or even a kit? What if the car you drive today already contained the technology that could enable it to ...
19
votes
1answer
555 views

Is widespread adoption of the electric car unlikely due to lithium scarcity?

Although lithium is very abundant in sea water, only lithium mineral extraction seems to be economically viable. The world's total reserves in lithium minerals is estimated at 13.5 Mt (not sure ...
0
votes
0answers
22 views

Does leaving the fan on during an RV a/c cycle time save energy? [duplicate]

When running an RV a/c during the summer, is it more energy-efficient to let the fan run while the compressor is cycling? Does it cause more wear and tear? Does it even matter if you allow the fan to ...
2
votes
0answers
553 views

Could you survive a vertical 100m drop in a BMW hatchback? [closed]

In Mission Impossible Ghost Protocol, at 116:42, Ethan Hunt (played by Tom Cruise) drives a BMW 1181 hatch off of an auto car transporter: He was wearing his seatbelt: And the air bag deploys: ...
8
votes
3answers
282 views

How effective are reflectors at preventing pedestrian deaths?

http://www.safetyreflectors.com/education.html has some claims about reflectors: Studies have proven that the risk of being hit by a motorist in the dark is eight times lower when wearing a safety ...
5
votes
0answers
467 views

Does an old car with engine turned off pollute more than a new car going 60 mph? [closed]

On the show Real Time with Bill Maher (Jan 9, 2015), Jay Leno (a guy that seems knowledgeable about cars) made this very interesting statement 37 minutes in: A 1977 Ford Galaxy, one of those big ...
12
votes
1answer
598 views

Is driving stoned safer than driving drunk?

Some support that driving while under the influence of marijuana is safer than driving when drunk, saying that people who drive high always drive at slower speeds so even if they cause an accident, it'...
3
votes
0answers
184 views

Do I need to wait for my car to warm up before driving off? [duplicate]

I heard many times from friends that after starting up the engine of a car you have to wait a few minutes for it to warm up before driving off. I also heard that this only applies to engines that ...
16
votes
2answers
1k views

Do electric cars create more fine dust pollution than comparable petrol cars?

According to this Flanders Today (a local Belgian newspaper) article a new small car on petrol in the city creates less fine dust than an electric car of average size. The researcher, Bruno Van ...
3
votes
1answer
565 views

How many pedestrians die a year in NYC from being hit by a car?

In researching my other question, I found a hard time getting all the sources of numbers of deaths to agree with each other. Some of the numbers I found are as follows: 168 pedestrians and 10 ...
8
votes
1answer
296 views

Would lowering the speed limit in NYC by 5mph lower the number of pedestrian deaths by a factor of 2?

According to the Mayor of New York City, De Blasio: (my emphasis) Excessive speed contributes to 25 percent of roadway fatalities on New York City Streets and is the leading cause of motor vehicle ...