Exhaust
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A newly formed organization called Allow Independent Road-testing (AIR) wants to make impartial emissions ratings available to vehicle shoppers. Using a simple rating from A (best) to H (worst), they would tell you, at a quick glance, how much you’re endangering the health of your family with tailpipe pollutants. Although the idea may seem new, it’s certainly not without precedent. Before the Insurance Institute for Highway Safety and the U.S. New Car Assessment Program (NCAP) became more rigorous, comprehensive programs for occupant safety in the 2000s, it was difficult for...
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When will it be unacceptable to drive a car with a tailpipe? Poll results
No vehicle on earth is entirely free of emissions; even electric cars charged on renewable energy have emissions associated with their manufacturing. Those emissions, however, are a tiny fraction of the carbon dioxide and other substances emitted by gasoline or diesel cars when scientifically...
John Voelcker -
Harleys with no emission controls: a much bigger problem than you know?
Harley-Davidson owners are highly likely to remove emissions controls from motorcycles, one group claims.
Stephen Edelstein -
UK Official Says Encouraging Diesel Cars To Lower Carbon Was 'Wrong'
Air pollution from diesel exhaust is a major concern in the U.K.
Stephen Edelstein -
Not Just Turbocharging: Exhaust Gases Can Generate Electricity, Too
A Japanese company unveils a prototype hybrid system with an exhaust-powered generator.
Stephen Edelstein -
Tesla Model X Exhaust Systems: Best Online Ad Of The Week
A website lists exhaust systems for the Tesla Model X electric crossover.
Stephen Edelstein -
A United Nations paper claims cars and trucks account for just a small percentage of particulate-matter emissions.
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Even Better Gas Mileage For Plug-In Hybrids? Look To Heat Recovery
When compared with traditional gasoline cars, plug-in hybrids, like the 2012 Toyota Prius Plug-in Hybrid and the 2013 Chevrolet Volt are already capable of astonishing gas mileage figures. But how do you make plug-in hybrids even more efficient? One answer is to add a larger traction battery pack...
Nikki Gordon-Bloomfield -
2012 Toyota Prius V: Service Alert (Exhaust Actuators)
At the end of last week, Toyota quietly announced a service campaign to rectify a potential problem with the exhaust system on the 2012 Toyota Prius V. The voluntary service campaign will focus on weak actuators located within the exhaust heat recovery system on the 2012 Toyota Prius V which, under...
Nikki Gordon-Bloomfield -
California Steps Up Gross-Polluter Vehicle Retirement Program
Not only do old cars pollute more than new ones, they pollute a lot more. According to a rule proposed by the California Bureau of Automotive Repair, fully “75 percent of vehicular pollution is caused by just 25 percent of the vehicle fleet" in the state. Those vehicles were built before 1995...
John Voelcker