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NASA testing new boundary layer ingesting (BLI) propulsor; 4-8% fuel burn savings over current advanced engines

Green Car Congress

MIT and NASA engineers earlier proposed the D8 Series as one future aircraft design concept that uses boundary layer ingestion. NASA is testing the propulsor, designed by United Technologies Research Center with research conducted by Virginia Polytechnic and State University, in its 8' x 6' Wind Tunnel at NASA Glenn in Cleveland, Ohio.

Engine 150
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Study finds cities can reduce CO2 more easily from residential conservation than transportation

Green Car Congress

A new study by a team from the University of Pennsylvania and MIT suggests it will be easier for cities to reduce CO 2 emissions coming from residential energy use rather than from local transportation. This reduction will happen mostly thanks to better building practices, not greater housing density.