Car Tech
2019 CES: Quiet year for green-car and self-driving news
As always, the 2019 Consumer Electronics Show held this week in Las Vegas was massive. Hundreds of thousands of attendees, workers, and support staff converged at multiple venues to show off their latest wares, meet with clients, partners, and the media and try to break through the news clutter... read more
Elaborate engine: Variable-compression Infiniti yields small efficiency gains
Turbocharging has mostly not lived up to its billing of being the savior of internal-combustion engine technology. Earlier this decade, facing increasing fuel economy... read more November 6, 2018 by Eric C. Evarts
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... read more April 26, 2018 by Eric C. Evarts
1970 Clean Car Race: How college teams helped bring about emission limits on new cars (and show up Detroit) after the first Earth Day.
When it comes to changing the world, never count out a bunch of college students with pens and wrenches. In response to growing demands to clean up the air, particularly from... read more April 22, 2018 by Eric C. Evarts
Toyota details next-generation hybrids, more efficient gasoline engines
Cars with plugs may be the cleaner and greener future, but at the moment, they make up only about 1 percent of global sales approaching 100 million vehicles a year. That... read more March 5, 2018 by John Voelcker
What percent of US full-size pickup trucks will plug in by 2025? Twitter poll results
If the U.S. is serious about reducing carbon emissions from road vehicles—under the current administration, the jury remains out—pickup trucks are key. More than... read more January 30, 2018 by John Voelcker
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
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