The Five Greenest, Most Energy-Efficient Cars of 2013

The Five Greenest, Most Energy-Efficient Cars of 2013

What cars available in dealers today make the most efficient use of energy? The answer turns out to be four battery-electric vehicles and one plug-in hybrid. Gasoline and diesel cars don't even come close; internal combustion engines waste two-thirds to three-quarters of the energy in their fuel on... read more

August 19, 2013 by  -
2013 Ford C-Max Hybrid, Catskill Mountains, NY, Oct 2012

Real-World Gas Mileage Moving Away From EPA Ratings: Report

Your mileage may vary--but these days, it appears, your mileage may vary more than it used to. According to a new report, the gap between rated fuel efficiency and the... read more June 16, 2013 by  21

Opel Ampera dashboard

The Gas-Mileage Parasite You Can't Live Without? Air Conditioning

Name one car convenience feature you absolutely couldn't live without, and it'd probably be air conditioning. Whether you live in a hot or cold climate its cooling and... read more June 6, 2013 by  10

2013 Ford C-Max Hybrid, Los Angeles, August 2012

Gaming The EPA Gas-Mileage Tests: How It Really Works

Every now and then, EPA gas-mileage ratings--and cars that notably fail to achieve them in real-world use--burst into public awareness. Hyundai and Kia had to agree to... read more June 4, 2013 by  10

2013 Ford C-Max Hybrid, Catskill Mountains, NY, Oct 2012

Should EPA Gas-Mileage Ratings Tests Change? What You Need To Know

Your mileage may vary. We've heard it for years, we all know it's true, and yet we put our trust in the EPA's fuel-efficiency ratings as a guide to what kind of gas mileage a... read more May 10, 2013 by  23

Bob Lutz

Gas-Mileage Rules To Add $3,000 Or More To Car Prices By 2025?

You most likely know by now that fuel efficiency is slated to double in new vehicles by 2025. What you may not know is how much that will cost you when you buy a new car in... read more April 19, 2013 by  28

Gina McCarthy, nominee for Environmental Protection Agency administrator

Nominee To Head EPA Had Key Role in 2025 Gas-Mileage Rules

It's long been known that Lisa Jackson, the current administrator of the U.S. Environmental Protection Agency, would step down now that President Obama is in his second term... read more April 12, 2013 by  2

2012 Volkswagen Passat TDI Six-Month Road Test

Diesel Vs Small Turbo Gas Engines: Does Real-World MPG Matter?

As fuel efficiency standards tighten continuously between now and 2025, buyers will have more powertrain options to chose from. And many have suggested there's a battle... read more April 3, 2013 by  10

Gas Pump With Boot

EPA Moves To Cut Sulfur In Gasoline, Reducing Emissions Further

"Cleaner cars need cleaner fuels"--that's the message from a group of automakers in support of new EPA rules to clean up gasoline. The Environmental Protection Agency will... read more March 29, 2013 by  4

Big square baler harvesting wheat straw for production of cellulosic ethanol

U.S. Biofuels & Ethanol Mandate: More Vulnerable Than Ever Now?

Since 2007, U.S. fuel producers have been required by law to include more and more ethanol and other biofuels in their blends. Now, Pike Research suggests, the biofuels... read more March 13, 2013 by  12

ESB Sundancer experimental electric car, test drive, Ann Arbor, Michigan, Oct 1973 [Frank Lodge]

Electric Cars Of The Future...As Imagined In The 1970s

Cars of the future--especially those from the past--always exert a powerful pull on our imaginations. They range from the outlandish (no wheels) to the bizarre (extreme... read more March 8, 2013 by  1

U.S. Environmental Protection Agency adminstrator Lisa Jackson and President Barack Obama

Second Obama Term: New Energy Secretary, New EPA Head

Following EPA head Lisa Jackson's resignation at the end of December, President Obama will nominate Gina McCarthy as her successor. McCarthy will become the Environmental... read more March 4, 2013 by  0

2011 Fuel Economy Labels

Breast-Beating Over EPA Mileage Labels: Will Ratings Change?

Obviously, fuel economy will be an increasingly big deal in years to come. The gas-mileage ratings of new cars and trucks must double (and then some) between last year and... read more February 28, 2013 by  12

2013 Nissan Leaf

2013 Nissan Leaf: 75-Mile Range 'Anticipated' In New Test By EPA

It's the last piece of information on the new and updated 2013 Nissan Leaf electric car that everyone's been waiting for: its range. The projected number, Nissan says, is 75... read more February 20, 2013 by  28

Fuel gauge

Gas Mileage Of New Cars Sold In Jan: 24.5 MPG, Highest Ever

Every month, the University of Michigan sends out its weighted average of the gas mileage of all new cars sold the previous month. And for January, the news is good. The new... read more February 4, 2013 by  4

Big square baler harvesting wheat straw for production of cellulosic ethanol

EPA Quota For Cellulosic Fuels Tossed Out By Court As 'Wish'

Whatever the merits of ethanol as a fuel or a gasoline additive--and it's taken some hits lately--it's still in the running. The same cannot be said, however, for cellulosic... read more January 28, 2013 by  3


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