Fuel Efficiency

It looks like a BMW, offers relatively sporty roadholding for an SUV, and delivers a quiet, solid ride. The 2016 BMW X1 is so cleverly proportioned, in fact, that many buyers will never noticed that it's actually a transverse-engined car with a front-wheel-drive base—the company's first. And...

The 2017 Chevrolet Silverado 2500 HD features a new hood scoop to feed air to its diesel engine.

A modern Mini Countryman isn't very mini at all.

Paris plans to ban older cars from its city center beginning July 1.

Consumer Reports confirmed the 2016 Toyota Prius hybrid's 52 mpg combined rating.

General Motors reportedly plans to offer start-stop on at least one powertrain in every model by 2020.

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...

China aims to improve fuel quality as well as lower emissions.

More carmakers may soon turn to 48-volt mild hybrids to improve fuel efficiency.

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

We're fond of Mini Coopers around here. The little British cars are fun to drive, often produce smiles from others, and in their latest incarnation, are considerably more fuel-efficient than they used to be. We've already tested the third-generation Mini hardtop in both its three-door and the new...

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...

These are the best deals on hybrids, plug-in hybrids, electric cars, and fuel-efficient gasoline cars for May 2016.

FCA will reportedly launch a 4-cylinder engine with nearly 300 horsepower in the next Jeep Wrangler.

New-car average fuel economy fell in April, studies say.

The 2017 Ford F-150 gets a second-generation 3.5-liter EcoBoost V-6 and new 10-speed automatic transmission.

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...

Volvo is in the process of reinventing itself as a luxury brand with a practical focus, but such transitions don't happen overnight. While many reviewers and owners have fawned over the new XC90 seven-seat luxury SUV, legacy models from the Swedish automaker are still being modestly updated as they...

Ford uses a "closed-loop" recycling system that takes scrap material from its Dearborn Stamping Plant.

It may not look like it, but the Ram full-size pickup you see here may be one of the more interesting new trucks on the road today. You might view it as this decade's version of the Camaros, Mustangs, and Mopars that emerged in earlier days from back-corner "skunkworks" engineering groups at each...