Green Car Congress
JUNE 2, 2013
The teams also designed a reliable process to mix and control hydrogen and biogas, and use together as an efficient energy source. kW renewable energy system being studied for potential commercialization by a combined team from Ad Astra Rocket Company, Cummins Inc. and EARTH University in Costa Rica.
Green Car Reports
MARCH 26, 2015
The idea of an electricity grid powered entirely by renewable energy may seem like a utopian dream, but one country has recently achieved it, albeit briefly. That would be little Costa Rica, which claims to have powered itself using only renewable energy for 75 days.
Green Car Congress
DECEMBER 23, 2013
The global geothermal industry surpassed 12,000 MW of geothermal power operational, with about 600 MW of new geothermal power coming online globally, according to a year-end update by the Geothermal Energy Association (GEA). Ormat Technologies, and AltaRock Energy. It was built by US Geothermal and TAS Energy.
Plugs and Cars
AUGUST 19, 2007
The Good About half our electricity comes from coal, and that will change, at best, slowly as we move to renewables. The energy required to make biological matter into liquid fuel certainly tips the balance against ethanol, just as it does with liquid coal. It should be perhaps our last fuel of choice regardless of how it's used.
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