Will current oil crunch push us to renewables, or to other oil sources?
Since gasoline hit $3 a gallon, suddenly words like "biodiesel" are being heard a lot more often. Maybe this oil crunch could provide impetus to finally get us moving toward renewable energy.
Or maybe not. Other terms coming up recently are coal-to-oil and shale, different ways to extract and use fossil fuels that might become economically viable if oil prices remain high.