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

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 2015, Portland has had more than 25 days reaching 90 degrees or more, as well as multiple 100-degree days—in all, some... read more

August 23, 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 

2013 Nissan Leaf

2013 Nissan Leaf Final Ratings Issued: 115 MPGe, 75 Miles Of Range

It often takes awhile to get gas-mileage ratings onto the EPA's official website, and it's no different with electric-car efficiency numbers. Now we have the final ratings... read more May 15, 2013 by  10

2012 Zero S electric motorcycle and 2012 Mitsubishi i-MiEV electric car [photo: Ben Rich]

Got An Energy-Efficient Household? Drive Electric For Free!

Among the first questions any electric car owner hears are (1) What is the range? (2) How long does it take to charge and (3) What does it cost to operate? Many drops of ink... read more April 16, 2013 by  17

2012 Toyota RAV4 EV, Newport Beach, California, July 2012

How Toyota Made The 2012 RAV4 EV More Aerodynamic

As most electric car fans will tell you, it’s much easier for automakers to build an all-electric car from scratch than it is to repurpose an existing gasoline model... read more August 23, 2012 by  10

BMW i Launch Event, Frankfurt, July 2011

Tall, Skinny Tires: Newest Green-Car Efficiency Trend

There are many unusual things about the BMW i3 Concept electric minicar revealed last month, including its glass doors and roof, not to mention BMW's first production... read more September 30, 2011 by  17


Outdated Tests Skew CAFE Gas Mileage Ratings: 48-MPH Freeways?

It's widely accepted in the auto industry that all manufacturers game the test cycles used to establish emissions and gas-mileage ratings. Ask auto engineers about the topic... read more August 15, 2011 by  10

Daihatsu A-Concept

Small, Fun, High-MPG Minicars, Never Coming To The U.S.

Life is so unfair sometimes. Car companies have been dangling the carrot of smaller and more fuel efficient vehicles in front of us for a few years now and though we've... read more August 11, 2011 by  0

volkswagen up concept motorauthority 005

Volkswagen's 79-MPG Up Hatchback, But Only For Europeans

With fuel-efficiency and emissions regulations tightening all over the world, carmakers continue to push the limits on how economical a production car can get. The latest... read more February 7, 2011 by  4

Golden Gate Bridge, connecting San Francisco and Marin County, California

California, Massachusetts Named Most Energy-Efficient States

California, Massachusetts and Oregon have been named the top-rated states for energy efficiency, while New York, Vermont, Washington, Rhode Island, Connecticut, Minnesota... read more October 13, 2010 by  1


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