Buses fueled by natural gas a better option now, study finds

The local bus system could reduce its costs and emit significantly fewer pollutants by converting its fleet to one powered by natural gas, a cleaner fuel now in greater supply and more affordable, Purdue University energy ...

The efficient choice among combustion engines

(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 ...

Model allows engineers to test fuel system efficiency on computers

(Phys.org) —Engineers will be able to design better fuel systems for everything from motorcycles to rockets faster and more inexpensively because of a mathematical fuels model developed at The University of Alabama in Huntsville.

Clean diesel exhaust without platinum?

Researchers have designed a metal oxide catalyst for removing pollutants from diesel engine exhaust that could potentially replace costly platinum catalysts.

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