Fuel Efficiency

China will implement tougher emissions standards sooner.

Mitsubishi, Daimler, and several other carmakers are under scrutiny for fuel-economy and emissions irregularities.

The Shell concept car was designed by Gordon Murray, in collaboration with engine specialist Osamu Goto.

The 2016 Chevrolet Cruze achieves a best of 30 mpg city, 42 mpg highway, 40 mpg combined.

The 2017 Hyundai Elantra small four-door is an all-new version of a car that came from humble roots to being a major player in the highly competitive compact sedan market. The last version, launched for 2011, blended eye-grabbing design and a features-for-money equation that brought it into the...

Nissan made big waves a few years ago when it introduced its then-new 2013 Altima. On the side of a barn not too far from its Franklin, Tennessee, headquarters, the automaker painted "38 mpg"—referring not to its combined EPA rating, but its highway number. And then it took a bunch of...

One of the myriad advantages of electric propulsion, we’re told, is the efficiency of all-wheel drive. The AWD versions of the Tesla Model S, for example, are rated as more efficient than the rear-wheel-drive versions of the car. This flies in the face of 100 years of automotive history...

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

Small cars are coming off leases in droves, but consumers don't want them.

The 2017 Mitsubishi Mirage G4 will start at $14,830.

Elio Motors plans to sell 100 "pre-production" vehicles to fleet customers.

Canada will join the U.S. in issuing stricter fuel-economy standards for large trucks.

Buyer expectations of a silent, refined driving experience traditionally kept diesel engines out of the upper echelons of the automotive market, but times have definitely changed. Witness the major expansion by Jaguar Land Rover to offer American buyers a 3.0-liter turbo diesel V-6 in a large...

Here are the best deals on green cars for March 2016.

The once-humble Honda Civic has been a mainstay of the carmaker's lineup in the United States for nearly 40 years. But never before has it been so aspirational inside, outside, and underneath. This year, the Civic's makeover was intense, to say the least. Shedding its ugly duckling looks for a...

The eAssist mild hybrid system is dead, long live the eAssist mild hybrid system? With continually rising corporate average fuel economy levels required through 2025, General Motors will test a third generation of its eAssist mild-hybrid system during the current model year. This time, though...

South Korean carmaker Hyundai has aggressive plans to expand its lineup and its sales in virtually every segment, and it's launched consistently better cars for several years in a row. With gas prices remaining low, the compact crossover utility segment is red-hot in the U.S. market right now, and...

Here's how to get the cheapest gas mileage.

The 2016 Honda Civic Coupe is expected to achieve 35 mpg combined.

The 2017 Mitsubishi Mirage G4 sedan debuted at the 2016 Toronto Auto Show.