The agency wants to make sure cheaters can't rely on the same tactics that kicked off Volkswagen's scandal.
In a new filing today, the Environmental Protection Agency notified Volkswagen that it found software designed to defeat emissions testing in seven models using a 3-liter diesel engine.
US Environmental Protection Agency will use random spot checks to expose technologies that may allow cars to skirt emissions standards.
Chevy's second-generation Volt RE-EV improves both its stated electric and gasoline-powered efficiency.
You don't seem to buy MPG ratings anymore; we'll look into how they are done. We also drive the 2013 Audi S7, find out what happened to the hidden headlight, and list the Top 5 reasons for self-driving cars.
Apple's hired Lisa Jackson, the former administrator of the Environmental Protection Agency, to oversee its environmental efforts.
A lot of people are skeptical of EPA mileage ratings these days. Here's a quick primer on what's behind them.
A look inside the EPA's mileage ratings, we check the tech in the 2013 Audi S7 and lay out the Top 5 reasons for self-driving cars.
Honda announced the EPA fuel economy and range numbers for its Fit EV today, the rating of 118 MPG equivalent making it the most fuel-efficient production car available.
In a blog post today, Tesla revealed that that under the EPA's new five-cycle testing procedure, the top-end Model S achieved a range of 265 miles.