EPA proposes to add more ethanol blends to 'Flex Fuel' category

EPA proposes to add more ethanol blends to 'Flex Fuel' category

Back in 2007, the Energy Independence and Security Act included a Renewable Fuel Standard intended to boost adoption of lower-emission alternative fuels. It mandated increasingly-large amounts of ethanol to be blended with the U.S. fuel supply. Just under a decade later, the legislation has... read more

October 10, 2016 by -
Harley-Davidson Street 750 by Alvin Dharmawan

Harley-Davidson actually sold emission defeat devices itself; will pay $12 million fine

It seems Volkswagen isn't the only vehicle manufacturer that has tried to circumvent emissions regulations. Harley-Davidson sold customers illegal "defeat devices" that... read more August 30, 2016 by

SEMA 2015

Car modifiers find EPA emission rules a useful whipping boy, politically

Medium- and heavy-duty trucks aren't used for racing very often. But that hasn't stopped an aftermarket-industry group from using recently-passed emissions standards for... read more August 30, 2016 by

U.S. Capitol Building

Carmakers asked to extend CAFE comment period; EPA said no

It's probably the battle that will do most to determine the carbon emission from new U.S. vehicles over the next decade. Automakers want to modify, delay, or extend the... read more August 24, 2016 by

Semi trailer

EPA releases final heavy-truck emissions rules

The Environmental Protection Agency unveiled this week its final rules for reducing emissions from heavy-duty trucks, including semitractor-trailers, buses, and other heavy... read more August 19, 2016 by

2017 Ford Super Duty

You'll never know the EPA ratings of heavy-duty pickup trucks: here's why

When it introduced the current-generation F-150 half-ton pickup truck for the 2015 model year, one of the major points Ford touted was fuel economy. It claimed the light-duty... read more August 11, 2016 by

2016 Nissan Leaf

How much do electric cars really pollute, even without tailpipes?

Personal automobiles have given hundreds of millions of people the great luxury of a convenient and comfortable mode of transportation. But there's no escaping that... read more August 3, 2016 by

2017 BMW X3

2017 BMW diesel lineup gets EPA approval for sale

The Volkswagen diesel emissions scandal has caused regulators to take a closer look at all new diesel models submitted for certification. Backups caused by more extensive... read more August 3, 2016 by

Southwest Airlines Boeing 737 (Image: Flickr user Aero Icarus, used under CC license)

Coming up next: emission standards for airplanes

The U.S. Environmental Protection Agency (EPA) will soon follow up on previously-discussed plans to set emissions standards for airplanes. The agency previously identified... read more August 1, 2016 by

U.S. Capitol Building

Battle over CAFE standards begins now: will they change for 2022-2025?

Two weeks ago today, three federal and state agencies jointly released a "Technical Assessment Report" on how well automakers have done thus far in meeting corporate average... read more July 29, 2016 by

2014 BMW 328d xDrive Sports Wagon

Diesel car sales down in 2016; will there be any in 2017?

A backlog of diesel cars waiting to be tested by federal regulators has delayed several models from going on sale in the U.S. including many from BMW and possibly others from... read more July 25, 2016 by

2015 Volkswagen Golf SportWagen

Why VW killed its TDI diesels in the U.S.: future emission standards

Hell hath no fury like a well-meaning government regulator who's been sneered at and condescended to by executives of one of the world's largest auto companies—only to... read more July 20, 2016 by

Gas pump

EPA: 2025 target of 54.5 mpg may not be met; SUVs, trucks, cheap gas to blame

A pair of U.S. federal agencies said yesterday that while automakers had complied with the first five years of stricter fuel-efficiency laws, the industry seemed unlikely to... read more July 19, 2016 by

1970s Los Angeles smog depicted in the Honda short film "Never Ending Race."

What does VW's diesel-pollution mitigation program actually do?

Last month's settlement proposal to resolve the claims of more than 450,000 owners of VW and Audi 2.0-liter diesel cars contains quite a few separate requirements in its... read more July 15, 2016 by

2014 Volkswagen Passat TDI

VW to offer TDI diesel owners $7,000 plus buyback: rumor

With terms of a final settlement between Volkswagen and the EPA on 482,000 TDI diesel vehicles due to be announced next Tuesday, Judge Charles Breyer has imposed a gag order... read more June 23, 2016 by

Gas pump

Gas mileage ratings for some 2017 cars to fall as EPA tweaks tests

The steady rise of corporate average fuel economy rules through 2025 puts increasing pressure on manufacturers to boost the gas mileage of all vehicles. Lately, carmakers are... read more June 20, 2016 by


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