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Ze-gen, which has a gasification process that can transform construction debris into electricity, raises $20 million in a funding round led by a conglomerate based in Oman.
Additional $2.5 million debt financing from Pinnacle Ventures will finance construction of full-scale gasification plant.
The company plans to open a test facility later this month which will use gasification to convert waste to electricity.
IST Energy's truck-sized Green Energy Machine will turn trash into electricity and heat at Air Force base in demo project.
Energy technology typically requires lots of time and money to commercialize, which is causing venture investors to adjust their strategies in clean tech.
The Obama administration is eager to promote green technologies, but some energy entrepreneurs, like Bill Davis, are still struggling to explain what they do.
A new generation of trash-to-energy technologies are cleaner than incinerators, say advocates, but the high costs and environmental concerns remain barriers in the U.S.
IST Energy launches the Green Energy Machine (GEM), a machine the size of the semi-tractor truck flatbed that makes electricity and heat from plain old garbage.
A bullish forecast for thin-film solar cells, a legal challenge for trash-to-electricity firm Ze-gen, Range fuels to try energy crops, Freescale gets into LED business, growing demand for mass transit, and clean-tech investing maturing.
With the high price of gas and questions over biofuels, some companies are turning to garbage as a feedstock for ethanol.