Efficiency

 
Tesla Model S and X get big range boost, and Standard Range versions return

Tesla Model S and X get big range boost, and Standard Range versions return

Tesla announced a 10-percent improvement to the top driving range for both its Model S fastback and Model X crossover Tuesday—resulting in what it claims will be EPA-official ranges of up to 370 miles and 325 miles for the two models, respectively. The 370-mile rating will be the highest... read more

April 24, 2019 by -
 
2017 Tesla Model 3, in photo tweeted by Elon Musk on July 9, 2017

Tesla Model 3 Long Range rating of 310 miles: Is it understated?

Amidst all the coverage on Wednesday of the Tesla Model 3 production numbers, we realized we'd forgotten one piece of the Model 3 saga. That would be the official EPA range... read more January 5, 2018 by


 
2018 BMW i3s

2018 BMW i3s: range, efficiency lower for sportier model of electric car

As a given generation of any vehicle ages, German companies in particular often spice up the allure of the aging car with new and sportier versions. Porsche is a master at... read more January 2, 2018 by


 
2017 Tesla Model 3

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... read more August 7, 2017 by


 
Electric motor, shown in 'How Does an Electric Car Work?' video by Learn Engineering

Better electric motors can boost electric-car efficiency

One of the greatest challenges faced by modern electric cars is the vehicle's range, which is largely proportional to the energy capacity of the battery. Range anxiety often... read more July 3, 2017 by


 
The White House, Washington, D.C.  [Creative Commons license by dcjohn]

Trump names vocal renewable-energy critic to oversee...renewable energy

While the news headlines on President Donald Trump mostly address potential scandals, his administration has also lagged significantly in appointing top-level officials to... read more May 22, 2017 by


 
Slide from 2017 Hyundai Ioniq presentation on electric cars at Washington Auto Show, Jan 2017

Electric-car MPGe as important as range, Hyundai Ioniq maker suggests

Along with price, the top-line statistic cited for any battery-electric car is its rated range. Until last month, the only electric cars that exceeded 200 miles in that... read more January 27, 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


 

 
 

 
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