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EPA now testing every new diesel on the road

The agency wants to make sure cheaters can't rely on the same tactics that kicked off Volkswagen's scandal.

By November 9, 2015


EPA says more VW, Audi and Porsche diesel models violate emissions rules

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.

By November 2, 2015


​Fool me once: EPA to enhance emissions testing post VW scandal

US Environmental Protection Agency will use random spot checks to expose technologies that may allow cars to skirt emissions standards.

By September 25, 2015


Chevrolet 2016 Volt's EPA label boasts 53-mile EV range

Chevy's second-generation Volt RE-EV improves both its stated electric and gasoline-powered efficiency.

By August 3, 2015


A look inside the EPA's contentious MPG ratings (CNET On Cars, Episode 14)

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.

By March 24, 2013


Apple names former EPA admin as environmental officer

Apple's hired Lisa Jackson, the former administrator of the Environmental Protection Agency, to oversee its environmental efforts.

By May 28, 2013


How the EPA does (and doesn't do) MPG tests

A lot of people are skeptical of EPA mileage ratings these days. Here's a quick primer on what's behind them.

By March 27, 2013


Episode 14, EPA Mileage Ratings Explained

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.

By March 26, 2013


Power steering shifts to electric

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

By February 11, 2014


Honda Fit EV takes top EPA fuel economy spot

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.

By June 6, 2012