News tagged with fuel efficiency

US announces new fuel economy standard for 2011

The US administration Friday announced updated automobile fuel efficiency standards for new vehicles starting with the 2011 model year that aim to reduce gasoline consumption and emissions.

Technology / Energy & Green Tech

created Mar 27, 2009 | popularity 4.6 / 5 (57) | comments 6

Artificial light-harvesting method achieves 100% energy transfer efficiency

(PhysOrg.com) -- In an attempt to mimic the photosynthetic systems found in plants and some bacteria, scientists have taken a step toward developing an artificial light-harvesting system (LHS) that meets one ...

Chemistry / Materials Science

created Sep 01, 2011 | popularity 4.9 / 5 (40) | comments 22 | with audio podcast feature

Magnesium: Alternative Power Source

(PhysOrg.com) -- There is enough magnesium to meet the world's energy needs for the next 300,000 years, says Dr. Takashi Yabe of the Tokyo Institute of Technology.

Technology / Energy & Green Tech

created Apr 23, 2010 | popularity 4.3 / 5 (40) | comments 29 | with audio podcast weblog

Fuel-injection System That Delivers 64 Miles Per Gallon

(PhysOrg.com) -- The best hybrid cars of today can only deliver about 48 miles per gallon. By using this newly developed fuel injection system a test vehicle was measured at achieving 64 miles per gallon in ...

Technology / Energy & Green Tech

created Mar 10, 2010 | popularity 4.1 / 5 (38) | comments 37 | with audio podcast weblog

Split-cycle engine now more efficient than traditional combustion engine (w/ Video)

(PhysOrg.com) -- Split-cycle engines have been around for some time but until now have never matched the fuel efficiency of traditional internal combustion engines. That is about to change, with the latest ...

Technology / Engineering

created Jan 24, 2011 | popularity 4.9 / 5 (32) | comments 20 | with audio podcast report

Fuel efficiency of vehicles on the road: Little progress since the 1920s

(PhysOrg.com) -- Vehicles on America's roads today get only about three miles more per gallon than vehicles back in 1923, University of Michigan researchers say.

Technology / Energy & Green Tech

created May 05, 2009 | popularity 4.4 / 5 (30) | comments 22

Gasoline-diesel 'cocktail': A potent recipe for cleaner, more efficient engines

(PhysOrg.com) -- Diesel and gasoline fuel sources both bring unique assets and liabilities to powering internal combustion engines. But what if an engine could be programmed to harvest the best properties ...

Technology / Energy & Green Tech

created Aug 03, 2009 | popularity 4.3 / 5 (27) | comments 6

Silicon nanohole solar cells aim to make photovoltaics cost-competitive

(PhysOrg.com) -- Due to the increasing demand for renewable energy sources, photovoltaic solar cells have advanced significantly over the past decade. Since 2002, photovoltaic production worldwide has been ...

Nanotechnology / Nanomaterials

created May 07, 2010 | popularity 4.5 / 5 (26) | comments 13 | with audio podcast feature

Discovery paves way for development of efficient, inexpensive plastic solar cells

Physicists at Rutgers University have discovered new properties in a material that could result in efficient and inexpensive plastic solar cells for pollution-free electricity production.

Nanotechnology / Nanomaterials

created Oct 10, 2010 | popularity 4.7 / 5 (20) | comments 6 | with audio podcast

The case of the missing gas mileage

Contrary to common perception, the major automakers have produced large increases in fuel efficiency through better technology in recent decades. There’s just one catch: All those advances have barely ...

Technology / Energy & Green Tech

created Jan 04, 2012 | popularity 4.1 / 5 (22) | comments 63 | with audio podcast

Passing cars to generate energy for new UK supermarket

A new grocery store in the UK opening today will generate energy every time a customer drives into the parking lot. Sainsbury's, located in Gloucester, is the first European store to feature "Kinetic Road ...

Technology / Energy & Green Tech

created Jun 17, 2009 | popularity 3.8 / 5 (21) | comments 33 weblog

Hydrogen Storage Gets New Hope from Rechargeable 'Chemical Fuel Tank'

(PhysOrg.com) -- A new method for "recycling" hydrogen-containing fuel materials could open the door to economically viable hydrogen-based vehicles.

Chemistry / Materials Science

created Sep 01, 2009 | popularity 3.9 / 5 (18) | comments 19

More power from bumps in the road: Energy-harvesting shock absorbers

(PhysOrg.com) -- A team of MIT undergraduate students has invented a shock absorber that harnesses energy from small bumps in the road, generating electricity while it smoothes the ride more effectively than ...

Technology / Engineering

created Feb 10, 2009 | popularity 4 / 5 (17) | comments 8

Airliners could save fuel by taking a hint from birds flying in formation

(PhysOrg.com) -- From Leonardo da Vinci to the Greek tragedy of Icarus, birds have emboldened scientific minds to master flight. Now, Stanford researchers can be added to the list of ornithologically inspired ...

Technology / Engineering

created Jun 01, 2009 | popularity 4.5 / 5 (14) | comments 3

Unique air shutter helps morph Chevrolet Cruze into 40 MPG leader (w/ Video)

Squeezing out every last drop of fuel efficiency is one of the key tasks for Greg Fadler, aerodynamics engineering group manager at Chevrolet.

Technology / Engineering

created Aug 11, 2010 | popularity 3.4 / 5 (18) | comments 15 | with audio podcast