Audi is working hard to improve the fuel economy of its compact crossover, the mildly-refreshed-for-2013 Q5. Gone is the 3.2-liter V-6 from the lineup, and added is the Q5 hybrid and the Q5 TDI turbo-diesel. The hybrid is powered by a 208-hp 2.0-liter turbo four and a 1.3-kW lithium-ion battery combining for a system output [...]
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