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A proposed increase of the speed limit on UK roads – to 80 miles per hour – is not without controversy, concerns and complaints. How about this for an unlikely solution? UK energy secretary Chris Huhne reckons the proposed 80-mph limit motorway should only apply to electric vehicles. Apparently, this is to please enviro types while concurrently promoting the adoption and use of electric vehicles. It's a win-win situation, right?

Recently, the UK's energy and climate change secretary, Chris Huhne, spoke of his country's ambitious low-carbon energy plans, telling conference-goers at the Royal Geographic Society that the billions invested in renewable energy will pay off economically. There's a caveat, though: this only happens if oil exceeds $100 a barrel. As Huhne predicts, consumers will see reduced utility bills from low-carbon energy investments when oil soars above what he calls "the break-even point" of $100 a barre