Biomass, for those areas with a reliable supply of woody waste, could be a dream source of renewable energy and the ideal enemy of carbon release. If only someone would try it ...
While industrial production of ethanol may not be the savior as it was once heralded, home distillers are willing to tap into a more parochial form of energy independence.
The cheapest solar technology is just situating your home or office in the right direction when it's built. You don't have to be Socrates to understand the concept — but it might help.
Sticking solar concentrators where the sun shines could potentially generate phenomenal amounts of electricity. But the perfect technology doesn't yet exist.
Climate change and fossil-fuel costs have re-energized the flickering nuclear movement in the United States, but many proponents are the fairest-weather of friends.