Efficiency

 
Tesla Model 3 rated at 126 MPGe, third-best after Ioniq Electric and Prius Prime

Tesla Model 3 rated at 126 MPGe, third-best after Ioniq Electric and Prius Prime

Ten days ago, when the first 30 Tesla Model 3 electric cars were delivered to their owners at a much-publicized Handover Party, we didn't get full information on the latest Tesla model. The company didn't discuss battery capacity in kilowatt-hours, for instance, giving range in miles instead, nor... read more

August 7, 2017 by -
 
2017 Hyundai Ioniq Electric

Hyundai Ioniq Electric beats Prius Prime, BMW i3 on energy efficiency

The 2017 Toyota Prius Prime plug-in hybrid's tenure as the most energy-efficient car on sale in the U.S. turned out to be short. The Toyota recently took the title of most... read more November 21, 2016 by


 
2017 Chevrolet Bolt EV, road test, California coastline, Sep 2016

2017 Chevrolet Bolt EV first drive: 240 miles in an electric car

We drove a 2017 Chevrolet Bolt EV electric car 240 miles on a single charge last week. And that was the lowest range achieved among four journalists driving four Bolt EVs... read more September 13, 2016 by


 
2017 Chevrolet Bolt EV - 2016 Consumer Electronics Show

2017 Chevy Bolt EV electric car: 238-mile EPA range rating, 119 MPGe combined

There will be a lot riding on the tall, square shoulders of the 2017 Chevrolet Bolt EV when it reaches the first Chevy dealers late this year. It will be the first... read more September 12, 2016 by


 
2015 Tesla Model S 70D in new Ocean Blue color

All-wheel-drive Tesla electric cars rated more efficient, but how?

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... read more April 14, 2016 by


 
2015 Volkswagen e-Golf  -  Long-term test car

Volkswagen e-Golf Climate Control: How Much Does A/C Impact Range?

In Portland, Oregon, where we’re putting our long-term Volkswagen e-Golf to the test, it’s been one of the hottest summers on record. So far in the summer of... read more August 23, 2015 by


 
Possible fourth-generation Toyota Prius prototype. Video by Vimeo user Savior1974.

Next Toyota Prius Hybrid: 40-Percent Thermal Efficiency From Engine, Toyota Says

You may not hear about the thermal efficiency of engines much: It's the ratio of how efficiently they use the energy in the fuel they burn. Conventional gasoline engines have... read more May 22, 2015 by


 
Gas pump

New Metric For Car Efficiency: Miles Per Dollar Spent On Energy?

It's downright confusing trying to calculate how much it costs to run green cars, whether it's a 50-mpg Toyota Prius or a highly efficient electric car like the 124-MPGe BMW... read more January 16, 2015 by


 
'MPGe explained' video screencap

What Is MPGe Anyway? What Is Efficiency For Electric Cars?

Electric cars don't use "fuel" as such, but you'll still find fuel-economy ratings on their window stickers. Those MPGe figures have mystified many potential plug-in electric... read more January 6, 2015 by


 
2013 Tesla Model S and 2014 BMW i3, Hudson Valley, NY, Nov 2014

Tesla Model S Vs BMW i3: Electric-Car Efficiency Comparison Test

The EPA has dubbed the all-electric 2014 BMW i3 the most efficient production car sold in the U.S., with an impressive 125 MPGe rating--the best of any electric vehicle. By... read more November 18, 2014 by


 
2015 Volkswagen e-Golf

2015 Volkswagen e-Golf Rated At 83 Miles Range, 116 MPGe

The 2015 Volkswagen Golf is the latest car range to be offered with an electric powertrain as well as internal-combustion engines. Now, the EPA range and efficiency ratings... read more November 3, 2014 by


 
Terry Hershner competing in 2014 Vetter Challenge for motorcycle with lowest energy cost

Pushing Limits Of Electric Motorcycles: Terry Hershner Wins Vetter Challenge

If you follow electric motorcycles, you'll likely have heard of the legendary Terry Hershner. Terry likes to ride. Scratch that: Terry loves to ride. He also loves pushing... read more September 5, 2014 by


 
Gas pump

Auto Industry Doing Fine In Meeting Gas-Mileage Goals, It Turns Out

The auto industry came very near to the precipice in 2009, and it agreed to significant new regulations to enable it to step back from the brink. Now, it turns out that it's... read more August 5, 2014 by


 
2014 Mercedes-Benz B-Class Electric Drive  -  First Drive, May 2014

2014 Mercedes-Benz B-Class Electric Car: 87 Miles Range, 84 MPGe

The 2014 Mercedes-Benz B-Class electric car hasn't quite reached dealerships yet--several are telling customers it could be next week--and its EPA ratings for range and... read more July 9, 2014 by


 
Ohio Statehouse

Ohio Turns Its Back, Thumbs Its Nose At Energy Efficiency

This past Friday the 13th proved to be particularly unlucky for renewable-energy advocates in Ohio. That was the day the state legislature passed SB 310, a bill to halt the... read more June 26, 2014 by


 
2014 Mazda 3 s Grand Touring  -  First Drive

Could Future Mazda Engines Emit Less CO2 Than Electric Cars?

Is it possible to make a gasoline engine so efficient that it would emit less carbon dioxide per mile than is created by generating electricity to run an electric car over... read more March 25, 2014 by


 

 
 

 
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