The Lexus LS 600h L is certainly an excellent piece of automotive engineering, delivering gobs of horsepower and torque with at least a modicum of efficiency thrown in for good measure.Still, sales of the LS range are down over 50%, leading the the Japanese auto giant to place a whopping $10,000 cash incentive on its range-topping hybrid model. Moving down the Lexus lineup a notch will net you a $3,000 incentive on the GS 450h. What's more, Edmunds' Auto Observer reports that the company is throwing another $1,000 at any Lexus sales associate that manages to sell one of its pricey hybrids.Not into expensive hybrid sedans? How 'bout we move to the opposite end of the fuel-saving market and into the driver's seat of a 2009 Cadillac Escalade Hybrid. Signing on the dotted line for General Motors' top-of-the-line 2Mode hybrid 'ute will cost you from about $73,000 to over $87,000
