fuel economy

How the Oil Price Slump Helps Renewable Energy

January 19, 2015 by Geoffrey Styles

Intuition suggests that the current sharp correction in oil prices must be bad for the deployment of renewable and other alternative energy technologies. As the Wall Street Journal's Heard on the Street column noted Wednesday, EV makers like Tesla face a wall of cheap gasoline.[read more]

U.S. Fuel Economy Hit New Highs With 2013 Models

October 13, 2014 by Christina Nunez

Fuel Economy Records

American cars are using less gas per mile and emitting less carbon dioxide than ever before, according to a government analysis released Wednesday. The average fuel economy of 2013 models is 27.6 miles per gallon for cars and 19.8 miles per gallon for trucks, both of which are all-time highs.[read more]

Fuel Economy Continues Upward Climb to New Record

October 10, 2014 by NRDC Switchboard

Fuel Economy Climbing

The EPA has crunched the numbers and the fleet of cars and light trucks sold with model year 2013 hit a new record of 24.1 miles per gallon. The latest Fuel Economy Trends report finds that automakers are producing more fuel-saving vehicles to keep up with clean car and fuel economy standards.[read more]

Slight Uptick in U.S. New Vehicle Fuel Economy in July

August 11, 2014 by Tom Schueneman

Fuel Economy Improvement

The University of Michigan Eco-Driving Index (EDI) estimates average monthly greenhouse gas emissions from an individual U.S. driver. The lower the index value the better. The EDI consists of fuel economy data and miles driven, the later of which is published with a two-month lag time.[read more]

Fuel Economy Improvements Show Diminishing Returns in Fuel Savings

July 16, 2014 by U.S. EIA: Today in Energy

Fuel Economy and Economic Effects

Fuel costs, which are dependent on things like vehicle fuel economy, vehicle miles driven, and fuel price, are an important factor in vehicle purchasing decisions. However, fuel economy improvement exhibits diminishing returns in fuel savings.[read more]

EPA Report: Fuel Economy Hits Record High

December 15, 2013 by NRDC Switchboard

Record Fuel Economy

The official numbers are in. In its new Fuel Economy Trends report the U.S. EPA finds that new automobiles sold in model year 2012 averaged a record-high 23.6 miles per gallon (sticker value) and that model year 2013 is expected to continue the upward trend to reach a new record of 24 mpg.[read more]

Can an Economy Learn to Live with Increasingly High Oil Prices?

October 3, 2012 by Gail Tverberg

Prof. James Hamilton of University of California recently wrote a post called Thresholds in the economic effects of oil prices. In it, he concludesAs U.S. retail gasoline prices once again near $4.00 a gallon, does this pose a threat to the economy and President Obama’s prospects for re-election? My answer is no.He looks at a variety of...[read more]

Cars Vs. Climate: Eco-Driving Index Tells The Story

May 5, 2012 by Nino Marchetti

Image via University of Michigan

Consumers have gotten used to evaluating an automobile’s fuel performance based upon the U.S. Environmental Protection Agency’s fuel economy rating system. But what about a rating system that measures a car’s impact on the environment?Researchers at the University of Michigan might have come up with just that. Their Eco-Driving Index...[read more]

What's the deal with personal carbon trading?

January 25, 2012 by David Thorpe

Personal carbon trading is at the heart of a new proposal from academics to reducing energy use in buildings and help meet the aims of the Green Deal. It comes in the form of a strategy document, Achieving Zero, being launched today by Dr. Brenda Boardman of Oxford University's Environmental Change Institute, which she hopes will help...[read more]

How American Ingenuity Can Reduce Our Pain at the Gas Pump: Part 1

April 22, 2011 by Simon Mui

How can we reduce our pain at the gasoline pump, clean up the air, and spark American ingenuity? This week, leaders from industry, government, and non-governmental organizations gathered in the nation’s Capital to see how we can move from our gas guzzling vehicles to electric-drive vehicles that use little to no gas. The conference...[read more]

Fuel Economy Gold Standard

September 19, 2010 by Geoffrey Styles

I've long been fascinated by the X-Prize approach of providing substantial (but not astronomical) incentives for key breakthroughs: private sub-orbital flight, lunar landers, and most relevantly for this blog, the Progressive Automotive X-Prize for a 100 mile-per-gallon car, which began in 2006. The latter competition has been won by a...[read more]

Grading Cars on the Curve

September 2, 2010 by Geoffrey Styles

By now you may have seen some prototypes of the new-car fuel economy stickers on which the EPA is seeking public comment. The versions that prominently display letter grades for overall fuel economy performance are certainly eye-catching, rising above the potentially confusing mix of numbers and graphics in the body of the sticker. Yet...[read more]

Obama Makes Progress on Climate, But Environmentalists Still Divided

May 21, 2010 by Keith Schneider

President Obama on Friday directed the EPA and the Transportation Department to develop a national policy to increase fuel efficiency and reduce greenhouse gas emissions from medium and heavy-duty trucks in time for the 2014 model year. The action comes almost exactly one year (May 19, 2009) after President Obama set new fuel and...[read more]

910 Miles Per Gallon*

January 25, 2010 by Geoffrey Styles

Yesterday provided one of those occasional treats that makes blogging about energy so enjoyable. In conjunction with the Washington Auto Show, I had the opportunity to drive a demonstration version of the eagerly-awaited Chevrolet Volt around an impromptu test track, accompanied by the Volt's Vehicle Line Director, Tony Posawatz, who...[read more]

General Motors to start repaying government loans

November 17, 2009 by Joseph Romm

Question of the day:  Will GM ultimately pay back all of the taxpayers’ loans? The NY Times story has one of the true glass-is-half-full headlines of our times: G.M., Citing Progress, Reports Loss of $1.15 Billion But these days, you take good news where you can find it, and the rest of the story is certainly a pleasant surprise...[read more]