Nearly undetectable from the ground, unmanned aerial vehicles (UAVs) are widely used by the military to scan terrain for possible threats and intelligence. Now, fuel cell powered UAVs are taking flight as an Office of Naval ...
Engineering
Apr 17, 2009
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0
California was on track to meet Gov. Jerry Brown's initial goal for putting 1.5 million environmentally friendly vehicles on the road by 2025, a new report says, but then Brown upped the target.
Energy & Green Tech
Feb 21, 2018
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27
A more efficient car engine? That's the goal. An opposed-piston engine is more efficient than a traditional internal combustion engine. Pinnacle Engines is developing a multi-cylinder gasoline engine for automotive use. The ...
Engineering
Feb 12, 2019
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9
Judging by the slew of electric and hybrid vehicles being rolled out at the Frankfurt Auto Show, it might seem carmakers are tapping a large and eager market.
Energy & Green Tech
Sep 11, 2013
14
0
What can survive blazing temperatures of almost 6,000 degrees Fahrenheit without melting? What did not break apart at extreme pressures? What is made by a new process that forms a complex part in just one piece? What takes ...
Engineering
Jul 25, 2013
10
0
Tesla Motors said Tuesday it would begin deliveries of "the world's first premium electric sedan" on June 22, slightly ahead of schedule.
Energy & Green Tech
May 22, 2012
19
0
(Phys.org) —Researchers at ETH Zurich have developed an internal combustion engine that emits less than half the CO2 compared to a regular engine without compromising performance. This corresponds to fuel consumption of ...
Energy & Green Tech
Sep 12, 2013
11
0
(Phys.org) —Engineers know that gas turbine engines for aircraft and power plants are more efficient and burn less fuel when they run at temperatures high enough to melt metal. But how to raise temperatures and efficiencies ...
Engineering
Aug 2, 2013
2
0
(Phys.org) -- Providing a possible new route to hydrogen-gas production, researchers at the California Institute of Technology (Caltech) have devised a series of chemical reactions that allows them, for the first time, to ...
Materials Science
Jun 6, 2012
4
0
A patent was recently issued to Kansas State University for a system that controls the airflow to pistons in reciprocating internal combustion engines—engines powered by pistons.
Engineering
Feb 13, 2014
1
0
