Fuel Economy

The new 2016 Toyota Prius hybrid made its debut in Las Vegas Tuesday evening, where 350 guests watched the latest model of the world's most popular hybrid car raised into the night sky at an elaborate event to mark its global launch. But "it's not just about MPG any more," according to the press...

The 2016 Scion iM compact hatchback is the second two of new Scion models for 2016, joining the iA subcompact sedan. It's part of a much-needed new lineup that takes Toyota's youth brand away from funky "tall box" cars or 10-foot-long urban cars and gives it a product that competes in the heart of...

The 2016 Scion iA is a four-door subcompact sedan that's Scion's first new vehicle since the ill-fated and now departed iQ minicar. One of two new vehicles for what tends to be termed "Toyota's beleaguered Scion brand," it's a fresh new entry with stellar fuel economy. It also happens to be great...

Next Tuesday evening, the 2016 Toyota Prius hybrid will make its world debut in Las Vegas, kicking off what its maker calls "the next era of an icon." "We’re pulling out all of the stops for this exclusive event to celebrate the future of Prius in a truly spectacular way that will be anything...

Corning hopes its Gorilla Glass could be used to a greater degree in cars.

It's all about the asterisk, it turns out. Most buyers likely assume that the conditions for rating a new car's fuel economy and engine performance are identical. For at least one carmaker--Ford--and possibly others as well, that turns out not to be the case: Different gasoline formulations are...

Cadillac's boss says the carmaker will eventually sell diesels in the U.S. again.

U.S. average fuel economy did not increase dramatically between 1923 and 2013.

With a midterm review coming up to look at progress on meeting Corporate Average Fuel Economy regulations so far, you can expect some gloom and doom from automakers. Still, industry consensus says the second half of the standards, for model years 2018 to 2025, won't change in a major way. The...

A 2014 Toyota Prius C owner test drives a 2015 Mitsubishi Mirage.

The range of small and smaller SUVs seems to expand almost monthly, and the latest entry is the 2016 Mazda CX-3. This crossover utility vehicle slots below the compact Mazda CX-5 in the "Zoom Zoom" maker's lineup. The company expects the CX-3 to appeal more to couples and empty-nesters than to...

The 2016 Mazda MX-5 Miata is the newest generation of the world's most popular sports car. The iconic two-seater passed the British MGB more than a decade ago to become the highest-volume sports car in the world, and the latest iteration brings it into the current decade. In fact, we'd argue that...

The Ford F-150 uses ducting in its wheel wells to deal with aerodynamic drag from spinning wheels.

As one website put it--in a piece tagged to lure Tesla Motors fans--Elio Motors is "the other automotive startup" to which those fans should presumably pay attention. But even Tesla CEO Elon Musk hasn't proposed "crowdsourcing" his product-development funds. Given that Elio now seems to have raised...

Trucks can benefit from fuel-saving features already used on many cars.

BMW demonstrates water injection as an efficiency-boosting measure on a 1-Series prototype.

It's a regular and recurring theme in comments on Green Car Reports: "Yeah, maybe the new 2016 something-or-other gets 31 mpg combined, but so what? My 20-year-old Geo Metro gets 40 mpg and I've put 280,000 miles on it! New cars are all stupid!" When we have the time or inclination, we often...

Ford tests a new cylinder-deactivation system on its 1.0-liter engine.

Neste sends a car across the U.S. with just one tank of its renewable diesel.

EcoBoost sales may be fueling the Ford Mustang's current success.