Toyota Highlander Preview – Chicago Auto Show: While executives and board members at other companies have been twiddling their thumbs, straddling the fence on whether or not to build a hybrid model, Toyota is busy unveiling the second generation of one its three hybrid vehicles, the 2008 Highlander Hybrid. It joins the Prius, also in its second generation, and the Camry Hybrid. Due to arrive in September, the new Highlander Hybrid promises 270 horsepower from an advanced Hybrid Synergy Drive system, up to 31 mpg in the city and 27 mpg on the highway, standard four-wheel drive with intelligence, and a choice of Base or Limited designations.