News tagged with efficiency

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Simple device which uses electrical field could boost gas efficiency

Technology / Energy

created Sep 25, 2008 | popularity 4.5 / 5 (87) | comments 27

With the high cost of gasoline and diesel fuel impacting costs for automobiles, trucks, buses and the overall economy, a Temple University physics professor has developed a simple device which could dramatically improve fuel ...


Turning heat to electricity

Turning heat to electricity... efficiently

Physics / General Physics

created Nov 18, 2009 | popularity 4.8 / 5 (65) | comments 9

(PhysOrg.com) -- In everything from computer processor chips to car engines to electric powerplants, the need to get rid of excess heat creates a major source of inefficiency. But new research points the way ...


solar panels

Magic solar milestone reached: UNSW claims 25 percent solar cell efficiency title

Technology / Energy

created Oct 23, 2008 | popularity 4.2 / 5 (64) | comments 18

University of New South Wales ARC Photovoltaic Centre of Excellence has reported the first silicon solar cell to achieve the milestone of 25 per cent effiency.


Energy secretary: Islands could disappear

Space & Earth / Environment

created Apr 19, 2009 | popularity 4.3 / 5 (61) | comments 6

(AP) -- U.S. Energy Secretary Steven Chu is warning that if countries don't do something about climate change, "some island states will simply disappear."


Drivers wait in traffic on 42nd Street in Midtown Manhattan during the morning rush hour in New York City

US announces new fuel economy standard for 2011

Technology / Energy

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

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.


Wind power

5 Feasible Renewable Energy Sources

Technology / Energy

created May 08, 2009 | popularity 4.5 / 5 (42) | comments 24

(PhysOrg.com) -- President Barack Obama has made no secret of his desire to develop a "green economy" that includes renewable energy projects meant to benefit the environment. He has said that part of the economic recovery in ...


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

Technology / Energy

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

(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.


Innovation puts next-generation solar cells on the horizon

Chemistry / Materials Science

created Dec 01, 2009 | popularity 4.3 / 5 (30) | comments 12

In a world first, a Monash University-led international research team has developed an innovative way to boost the output of the next generation of solar cells.


Gasoline Pumps

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

Technology / Energy

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

(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 ...


Sharp Develops Solar Cell with World’s Highest Conversion Efficiency of 35.8%

Sharp Develops Solar Cell with World's Highest Conversion Efficiency of 35.8%

Technology / Energy

created Oct 22, 2009 | popularity 4.5 / 5 (26) | comments 12

Sharp Corporation has achieved the world's highest solar cell conversion efficiency (for non-concentrator solar cells) of 35.8% using a triple-junction compound solar cell.


Smart Lighting: New LED Drops the 'Droop'

Smart Lighting: New LED Drops the 'Droop'

Physics / General Physics

created Jan 12, 2009 | popularity 4.7 / 5 (22) | comments 14

(PhysOrg.com) -- Researchers at Rensselaer Polytechnic Institute have developed and demonstrated a new type of light emitting diode (LED) with significantly improved lighting performance and energy efficiency.


Passing cars

Passing cars to generate energy for new UK supermarket

Technology / Energy

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

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 ...


Physicists urge U.S. to prioritize energy efficiency

Technology / Energy

created Sep 16, 2008 | popularity 3.6 / 5 (22) | comments 2

The U.S. can reduce its dependence on foreign oil and greenhouse gas emissions by making cars and buildings much more energy efficient, according to a study released Tuesday by a large national association of physicists.


View of a Tesla electric sports car

Big Blue dreams of a big green battery

Technology / Energy

created Aug 28, 2009 | popularity 4.3 / 5 (17) | comments 11

Spike Narayan watched a Tesla electric sports car rocket from zero to 60 mph (100 kph) in less than four seconds and knew batteries would be the next big thing.


Hydrogen Storage Gets New Hope

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

Chemistry / Materials Science

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

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