Fuel Efficiency

A European committee on emissions proposes a new agency to take over responsibility for testing from individual nations.

A Ford Mustang GT took the title of most-improved fuel economy in the 2016 MPG Marathon.

Automakers achieved record-high fuel economy for the 2015 model year, according to the EPA.

Mercedes-Benz will introduce a new family of internal-combustion engines beginning next year.

On-road emissions testing may cause carmakers to go back to bigger engines.

The Toyota Corolla has been almost the default compact sedan among North American buyers for what seems like decades now. In good years, more than 350,000 are sold to retail and fleet buyers in the U.S., and they're part of the automotive landscape in even the reddest states of the union. The...

One of the tools Elon Musk and Tesla Motors have used to defend the safety of its Autopilot software is the dark and perplexing art of statistics. After a fatal Autopilot-related crash in May, a company blog post pointed out that the crash was “the first known fatality in just over 130...

These are the best deals on green cars for October 2016.

The 2017 Ford F-150 pickup truck gets a new 10-speed automatic transmission and upgraded 3.5-liter twin-turbocharged EcoBoost V-6.

Infiniti's VC-T is the first variable compression-ratio engine to enter production.

Michigan Congressman Fred Upton believes CAFE standards should be lowered.

The 2018 Chevrolet Equinox crossover utility vehicle, unveiled last night in Chicago, will have three engine options, all turbocharged. And bucking recent "death of diesel" predictions, one of those three will be a 1.6-liter diesel that gets a 40-mpg highway rating. The 2018 Equinox will be the...

AM General, the firm best known for building Hummer H1s in both civilian and military versions, has been selected by a rather different governmental agency to help create a prototype with a different kind of civic duty in mind. Postal trucks, those white boxes that deliver your mail, haven't...

To say three-wheeled vehicles are rare in the North American car market would be an understatement. Traditionally, motorcycles have two wheels, and passenger cars and light trucks have four. But Elio Motors wants to change that with its three-wheeled car, which it says will be offered for $7,300...

Ford will build the next-generation Focus in Mexico.

Check out the best deals on green cars for September 2016.

We drove a 2017 Chevrolet Bolt EV electric car 240 miles on a single charge last week. And that was the lowest range achieved among four journalists driving four Bolt EVs along the California coast. One driver covered essentially the same trip with fully 32 miles remaining, according to the...

There will be a lot riding on the tall, square shoulders of the 2017 Chevrolet Bolt EV when it reaches the first Chevy dealers late this year. It will be the first mass-priced electric car with a range of 200 miles or more, and it will go on sale a year before the much-vaunted Tesla Model 3. Now...

A new study claims real-world fuel consumption of European-market cars does not line up with official ratings.

Sales of mid-size sedans are down significantly this year.