Air ducts should be sealed with mastic sealant, a putty-like material that can be purchased at hardware stores. Because of the Texas heat, the glue on traditional duct tape dries out and loses its adhesive quality. Mastic never totally hardens so it doesn't dry out loosen with age.
The 2011 Porsche Cayenne S Hybrid is the first gasoline-electric hybrid to make me say, “Wow,” and “Boy, howdy.”
The 2011 Porsche Cayenne S Hybrid "sails" to save fuel.
The hybrid driving experience is typically cerebral, as in “What efficient technology. The long-term fuel savings will be beneficial to both the environment and my wallet.” The Porsche Cayenne S Hybrid driving experience is visceral, as in “Woohooooooooo.”
In another sign that the world’s elite motor cars are becoming greener, Porsche today announced that its dealers will begin taking customer orders for the plug-in hybrid 918 Spyder. The next-generation super car, first shown at the 2010 Geneva Motor Show, will feature a high revving 500-plus horsepower V8 engine assisted by two electric motors with a total of at least 218 horsepower.
LOS ANGELES (KABC) — If you are looking for something fast and fancy, but green, there’s a new high-performance hybrid for you. Porsche is rolling out its first hybrid: the Cayenne Hybrid S. Porsche says many of their customers would like a greener choice. >>Read the full story
Nothing will say that hybrids have arrived in a big way more than the day you see “Hybrid” imprinted on a Porsche. That day will come next year when the Cayenne S Hybrid arrives with the power of a V8 and the fuel efficiency of a four-cylinder.
Porsche AG, the Stuttgart, Germany-based auto manufacturer, said today that the Cayenne S Hybrid is expected to emit some 20 percent less C02 than comparable combustion engine vehicles with similar power output. The company reports that Porsche engineers have been able to drive at speeds up to 86 mph without any use of the combustion engine.