Hybrids evolve to deal with tougher market.

So are hybrid vehicles - at least some of the current models - losing steam in the market? With sales of the Toyota Prius off by 12 percent so far this year and the Honda Accord hybrid down by 58 percent, it's looking that way. The cooling of the hybrid phenomenon comes at an interesting time, just as gas prices have settled in above the psychologically important three dollar level.