EPA

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 challenged by cheap gas and a resulting public preference for utility vehicles of all sizes against sedans and hatchbacks...

As automakers and policy wonks fret and fuss over future fuel economy standards, interested spectators may be lost in the fumes. What exactly are Corporate Average Fuel Economy standards, and what's important to know about them? The CAFE rules have many layers and facets—far too many to put...

GM says it will compensate owners who bought crossovers with inaccurate fuel economy on window stickers.

Sales of the 2017 Mercedez-Benz GLS350d are on hold in the U.S. while it awaits a certificate of compliance from the EPA, a Mercedes-Benz spokesman said this week. The diesel SUV, which is the automaker's base offering in the GLS range, is slightly different than the 2016 version that was sold last...

It would appear that every automaker is rechecking its gas-mileage calculations these days. The ongoing VW diesel-emission cheating scandal and Mitsubishi's recent admission that it misstated fuel-economy results in Japan for more than 20 years have led to renewed public attention to how makers are...

A main aspect of the agreement between VW and the EPA to settle its diesel-emission cheating scandal is an offer by Volkswagen to buy back all 482,000 2.0-liter TDI diesel vehicles sold from 2009 through 2015. The details of that agreement won't be made public until June 21, and won't be finalized...

The dominos continue to fall as more and more carmakers are investigated for accuracy in their testing of emissions and fuel economy over longer periods of time. While European buyers had complained for years that EU fuel-economy ratings diverged from real-world results, nothing much happened until...

Yesterday's news that Volkswagen and the U.S. EPA had reached agreement on a deal to address VW's diesel-emission cheating scandal brought as much confusion as clarity. The carmaker and the regulator said they had agreed on the general outline of a deal to offer owners a choice of either...

Volkswagen and the U.S. Environmental Protection Agency said today that they had reached an agreement on a plan to address hundreds of thousands of diesel vehicles sold over six years deliberately designed to violate U.S. emission laws. The agreement, released at 8 am California time this morning...

Updates to the millions of Volkswagen TDI diesel cars that turned out not to meet European emission regulations were supposed to be well underway by now. German authorities had signed off on the modifications—software updates and for one group of engines, a new plastic insert to alter...

"Six months is enough," said Judge Charles Breyer in February, when he imposed a March 24 deadline for regulators and Volkswagen to agree how to modify 580,000 diesel vehicles. Except that it wasn't. Yesterday, Judge Breyer extended the deadline four weeks, to April 21, at the request of all...

As electric-car range moves above the 100-mile mark in EPA ratings, one of the more interesting models to watch will be the 2017 Hyundai Ioniq Electric. That car uses essentially the same 28-kilowatt-hour battery pack as the low-volume Kia Soul EV, a blocky tall wagon that's rated at 93 miles. Can...

Friday, March 18th, will mark six months since the news that Volkswagen deliberately circumvented U.S. EPA emissions laws on so-called "clean diesel" models sold from 2009 through 2015. That news hit the automotive world like a bombshell, and led to consequences for VW Group that are still...

The ongoing Volkswagen diesel cheating scandal was newly roiled by this week's news that the company's U.S. CEO Michael Horn was leaving the company, effective immediately. But owners and regulators can't move forward until the other shoe drops: the EPA and California's regulators must approve a...

Volkswagen hid a previous emissions-related issue from regulators, a new report claims.

A German newspaper has suggested that the Environmental Protection Agency wants Volkswagen to build electric cars at its assembly plant in Chattanooga, Tennessee. The agency also wants Volkswagen to help build a nationwide network of DC fast-charging sites for plug-in electric vehicles. Those...

Last week, alarm bells were sounding for large portions of the enthusiast, motorsport, and racing community, over new regulatory language that, from the sound of it, could result in a U.S. Environmental Protection Agency (EPA) crackdown for weekend racers. Now the EPA’s effectively saying...

The entire auto industry was startled when Fiat Chrysler said two weeks ago it would end production of its Dodge Dart compact car and its Chrysler 200 mid-size sedan. The company intends to use the plant capacity freed up to build more light trucks, meaning its popular crossover utilities and...

A German newspaper has reported that the use of "defeat device" software to cheat on U.S. emissions laws was widespread knowledge within the diesel-engine group at Volkswagen headquarters in Wolfsburg, Germany. And, it said, one whistleblower involved in the deception had alerted a senior manager...

The California Air Resources Board rejected Volkswagen's plan to modify 2.0-liter diesel cars.