Graphene device puts fuel-efficient cars in pole position
A graphene-based electrical nano-device has been created which could substantially increase the energy efficiency of fossil fuel-powered cars.
A graphene-based electrical nano-device has been created which could substantially increase the energy efficiency of fossil fuel-powered cars.
Nanomaterials
Jun 2, 2016
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A group of physicists recently built the smallest engine ever created from just a single atom. Like any other engine it converts heat energy into movement – but it does so on a smaller scale than seen before. The atom is ...
Bio & Medicine
Apr 22, 2016
0
212
No less than one third of a car's fuel consumption is spent in overcoming friction, and this friction loss has a direct impact on both fuel consumption and emissions. However, new technology can reduce friction by anything ...
Energy & Green Tech
Jan 12, 2012
9
0
Over the past five decades, standard computer processors have gotten increasingly faster. In recent years, however, the limits to that technology have become clear: Chip components can only get so small, and be packed only ...
Quantum Physics
Jan 12, 2018
2
65
(PhysOrg.com) -- Battery life and driving range are two sticky phrases in discussions about why EVs have yet to hit mainstream use. Drivers still feel skittish about the idea of setting out on longer trips on batteries lasting ...
The heart of every car is its engine, where the energy of petroleum combustion is transformed to mechanical energy, which makes the car move. Unfortunately, no internal combustion engines are environmentally friendly. Carbon ...
Materials Science
Jan 14, 2016
0
5
(PhysOrg.com) -- When most people hear the words "fuel cell," they think of eco-friendly, hydrogen-powered cars that emit nothing more than water.
Energy & Green Tech
Nov 18, 2011
18
0
Hydrogen fuel cells hold a lot of promise as sustainable and eco-friendly energy sources to power transportation by land, air and sea. But traditional catalysts used to drive chemical reactions in hydrogen fuel cells are ...
Materials Science
Jul 25, 2022
1
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If you have ever wondered how much electric vehicle (EV) adoption actually matters for the environment, a new study provides evidence that making this switch would improve overall air quality and lower carbon emissions.
Environment
Apr 12, 2019
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(PhysOrg.com) -- Car manufacturers aspire to create hydrogen-powered vehicles that could one day allow energy-efficient, cost-effective travel that emits no greenhouse gases or other pollutants. To further that effort, scientists ...
Engineering
Mar 16, 2009
1
0