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New self-propelled robotic device pinpoints leaks in pipes more accurately than existing methods

Green Car Congress

A 4-inch pipe section is shown for reference. Leaks in water pipes can waste up to half the water in a system; oil-pipeline leaks can lead to toxic spills and prolonged, expensive cleanup operations. Top ]: Solid model side view of Leak Detector. Bottom ]: The actual developed prototype inside a 4-inch pipe. 2014a) Click to enlarge.

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Daimler Trucks NA SuperTruck achieves 115% freight efficiency improvement over 2009 baseline; 50.2% engine BTE

Green Car Congress

To measure freight efficiency, DTNA ran vehicle testing on highway routes in Oregon and Texas; one city route in Portland, Ore.; liter engine, a hybrid system, a Waste Heat Recovery (WHR) system, along with a number of other upgrades. and anti-idle testing in both a cold chamber and hot chamber. engine brake thermal efficiency.

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DOE to award $11M to 20 new Clean Cities projects for alt fuel cars and trucks

Green Car Congress

gas-fueled school buses and solid waste collection vehicles and develop a. Greater Portland. use; produce a technical reference manual for utilities and policy makers to. The Pennsylvania Partnership for Promoting Natural Gas Vehicles project. will provide education and outreach to municipal and school district. Gas Technology.

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Why Warren Buffett is investing in electric car company BYD - Apr. 13, 2009

Tony Karrer Delicious EVdriven

Thats because electric engines are more efficient than internal-combustion engines, and because generating energy on a large scale (in coal or nuclear plants) is less wasteful than doing it on a small scale (by burning gasoline in an internal-combustion engine). Some Americans, though, are eager to do business with BYD. All times are ET.

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