NREL is the nation's primary laboratory for renewable energy and energy efficiency. nrel.gov CWT brings together the best expertise in the energy & environmental arenas. changingworldtech.com TDP is a process that converts organic material into any product that is now produced from oil. thermaldepolymerization.org AWEA promotes wind energy as a clean source of electricity for consumers worldwide. awea.org SES holds the world's efficiency record for converting solar energy into grid-quality electricity. stirlingenergy.com AC Propuldion is dedicated to creating electric vehicles that people want to drive. acpropulsion.com Renewable energy & integrated water systems make the Earthship an off-grid home with little to no utility bills. earthship.org