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Patrick G. Mahoney, a freelance writer based in Cleveland, writes extensively on engineering and other technical topics.

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Using DEF properly Posted on 13 Oct 2014 in the Features categories.

A rundown of diesel exhaust fluid handling and an analysis of the events that led to its development. The U.S. Environmental Protection Agency (EPA) established new emissions standards in 2010 […]

Idea from space inspires new way to reduce carbon emissions, fuel Posted on 26 May 2014 in the Features categories.

Less carbon emissions means a more environmentally friendly way to drill, and less fuel use means cost savings. You’re kicked back in your favorite recliner, watching a documentary on the […]