Car Tech
Engineers find new ways to improve efficiency of gas engines: Engineering Explained
As fast as electric cars are improving and expanding, there are some things that gas engines do better—many experts agree that gasoline engines will be around for several decades. Developing electric cars and refining gas engines aren't mutually exclusive. Vehicle electrification will... read more
What green tech best suits pickup trucks in 2030? Twitter poll results
U.S. car buyers have increasingly ignored passenger sedans and hatchbacks and replaced them with utility vehicles of various sorts, and that's a trend that shows no sign of... read more January 24, 2018 by John Voelcker
How Silicon Valley startup boosted MPG in 2019 Chevy Silverado pickup truck
It looks like GM's investment arm, GM Ventures, has borne some real-world, fuel-saving fruit. Sophisticated engine-control algorithms under the hood of the 2019 Chevrolet... read more January 22, 2018 by Mark Stevenson
Four of Wards' Top 10 Engines are actually electric or electrified powertrains
The industry trade journal WardsAuto has been giving out "Best Engine" awards for 24 years now, and this year's list includes some interesting choices. For starters, there... read more December 18, 2017 by Mark Stevenson
New approach to electric-car battery cooling: immerse cells in coolant
Regardless of how your vehicle is powered—whether it be an internal-combustion engine or a battery pack powering an electric motor—most powertrains have a common... read more December 8, 2017 by Mark Stevenson
Commercial tests of self-driving Chevy Bolt EV to launch in many cities in 2019
General Motors officials made a bold announcement on a Thursday conference call with investors: the automaker plans to launch commercial autonomous fleet operations beginning... read more December 1, 2017 by Mark Stevenson
2019 Infiniti QX50 crossover to debut variable-compression engine
Efforts by automakers to increase fuel efficiency and reduce carbon emissions have intensified in recent years as emission rules have tightened and the effects of climate... read more November 20, 2017 by Sean Szymkowski
Toyota electric cars could use airless tires if research pans out: report
Although electric cars offer numerous benefits in engineering, design, and zero-emission operation, their overall weight remains a hurdle for automakers, especially as bigger... read more November 1, 2017 by Sean Szymkowski
"Death of the internal combustion engine" is now a thing
The very first working four-cycle internal-combustion engine was invented by Niklaus Otto in 1876, and in due course it changed the world. A quarter of a century later... read more October 24, 2017 by John Voelcker
Rare-earth metals in magnets for electric-car motors: what you need to know
It's not surprising that the powertrains of electric cars differ quite a bit from traditional internal-combustion engines. Although they have fewer moving parts, the... read more September 21, 2017 by Sean Szymkowski
The Smart Vision EQ Fortwo is a self-driving electric matchmaker
The Smart Vision EQ Fortwo wants to be a self-driving electric matchmaker. Ahead of its global unveiling at the 2017 Frankfurt Motor Show, Smart on Wednesday took the wraps... read more August 30, 2017 by Andrew Ganz
Better alkaline batteries, made rechargeable, to power electric cars?
Alkaline batteries have been a staple energy source for decades, but their potential has been capped by their chemical properties. Notably, alkaline batteries cannot be... read more August 10, 2017 by Sean Szymkowski
New engine development at German makers to end by 2025, says supplier
Continental, a major supplier for automakers around the world, has come out with a bold prediction: internal-combustion engine development by German automakers will... read more August 8, 2017 by Sean Szymkowski
2019 Mazda 3 to feature world-first HCCI engine for efficiency: report
It's a technology that's been a sort of Holy Grail in the auto industry for at least a couple of decades. Now Mazda, one of the smallest global automakers, plans to introduce... read more August 8, 2017 by John Voelcker
Electric-car battery progress: incremental improvements, not revolutionary leaps
The report that Toyota is planning an electric car with a solid-state battery for 2022 has led some fans and advocates to suggest huge new leaps in electric cars are... read more July 27, 2017 by John Voelcker
Green Car Glossary: vehicles, emissions, fuels, electric cars, powertrains energy (updated)
As rules to boost fuel economy and lower carbon emissions in vehicles around the world continue to stiffen, acronyms like EREV, CNG, and MPGe are becoming more and more... read more July 24, 2017 by Doug Smith
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