At current interest rates, homes would still be affordable even if prices rose by 20% from their current levels, said John Burns, chief executive of a home-builder consulting firm in Irvine, Calif.

WSJ: Home Prices Jump 10.9%, Largest Annual Gain in 7 Years

This would seem to be an optimistic goal, given the lukewarm sales of standard hybrids, even with gasoline at its current inflated per-gallon prices.

FORBES: California Orders Automakers To Sell More Plug-In and Fuel-Cell Cars

Yes, there are problems, there might even be deep and very troublesome problems, but at current prices the risks are worth taking.

FORBES: Warren Buffett, Bank of America and Luck in Investing

Not according to a new econometric study that concludes no more than 20% of existing coal generation is likely to switch over to gas, even if the Environmental Protection Agency drives up the cost of coal generation and gas prices stay at their current, low rates indefinitely.

FORBES: Frack Gas Not Likely To Displace King Coal, Study Suggests