Questions tagged [road-vehicles]

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

19 questions with no upvoted or accepted answers
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17
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5k views

Do gas pods improve fuel efficiency?

I ran into this claim today about detachable car fins, and was wondering if there is any validity to it: about a five percent reduction in drag and corresponding five percent boost in fuel ...
14
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0answers
341 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 ...
13
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0answers
326 views

Is there a high ecological impact from buying a new car?

First, a disclaimer: this is my first question here, so please point out any deficiency so I can amend it. Here in Italy, the Government has a recurring policy (it is happening every 2/3 years now) ...
10
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0answers
347 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 ...
9
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0answers
408 views

Did a Blackberry service outage reduce traffic accident rates in Dubai and Abu Dhabi?

A report from The National has been widely cited on the Internet recently: A dramatic fall in traffic accidents this week has been directly linked to the three-day disruption in BlackBerry services. ...
8
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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 ...
7
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0answers
530 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 ...
7
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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 ...
7
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0answers
513 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 ...
6
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0answers
515 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 ...
6
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0answers
373 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 noticed traffic ...
6
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0answers
6k views

Does a car tire require 26 Liters / 7 US Gallons of crude oil to manufacture?

I've recently seen the movie Collapse. They make many claims about oil and an hypothetical global collapse when it runs low. In this movie, Michael Ruppert says that a simple car tire needs 7 US ...
6
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1answer
681 views

Is using a phone while driving more dangerous than driving while drunk?

There have been numerous studies that show how using a phone while driving is more distracting than other non-driving tasks and even worse than driving while intoxicated. Here was a study done in the ...
4
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0answers
362 views

Is there a viable design for a thorium car that can run for 100 years without being refueled?

This article and included video from Young Turks claims that Laser Power Systems has produced a "concept for a car" which can run for 100 years on 8 grams of thorium without needing t be refueled. ...
4
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0answers
1k views

Are rear-end collisions more dangerous in Compressed Natural Gas (CNG) than Petrol cars?

Is it more dangerous to be in a passenger car with compressed natural gas than with a petrol fuel tank when it comes to rear-end collisions? Lawrence Godwin, on eZine claims there is a explosion risk ...
3
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0answers
482 views

Do car theft victims have to pay around 1,000 USD to have their cars returned in the US?

This Yahoo! news article says: The 30-year-old’s 2000 Monte Carlo was stolen from in front of his mother’s house last summer. Finally, several months later, Williams was told that his car had ...
3
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1answer
425 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, ...
2
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0answers
390 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 ...
0
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0answers
88 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 ...