What Determines Engine Fuel Efficiency: “Gas” Mileage of a Vehicle
Fuel efficiency is the product of two variables. Fuel density is one of two factors that determine fuel economy and thermal efficiency is the other. That is to say, fuel density and thermal efficiency determine the “gas” mileage of diesel, gasoline, biofuel, ethanol, and propane-powered vehicles
From Sewage To Fuel
To put it delicately, you may be the source of the next revolution in fuel from sewage to fuel. The Los Angeles Times reports that Japan is tapping the nation’s sewage lines to make hydrogen from biogas. Spurred on by a $12 million investment by both government and private car companies like Mitsu