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.
Power steering has undergone a fundamental change in the last 10 years, leading to better reliability, and some criticism.
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.