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Mercedes-Benz has put a big emphasis on aerodynamics with its Frankfurt Motor Show concept, offering two different body modes with an eye toward efficiency.

Porsche has announced that the upcoming Panamera will get an unusual feature to increase the efficiency of the new vehicle. Available on the Panamera Turbo, an active aerodynamic system used a "multi-stage, adjustable rear spoiler that deploys when needed." This four-way spoiler moves based on the driving conditions using "efficient management of control angles and surface geometry." Slightly more standard features like start/stop, Direct Fuel Injection and adjustable air suspension will also

The California Air Resources Board this week approved $700,000 in grants for demonstration projects to evaluate clean air technology. Advanced Transit Dynamics, Eaton and the Sacramento Municipal Utility District will each receive over $200,000 for projects. Eaton will build a package delivery van using a hydraulic series hybrid system it has developed. Similar systems have also been developed and tested by several other companies. UPS has been running several series hybrid vans for more than tw