XL1 dive and drive: Volkswagen aggressively optimizes for efficiency in its sleek diesel plug-in hybrid
Green Car Congress
JUNE 24, 2013
The ceramic brakes make a sound similar to sliding out on gravel, or swooshing through water. The XL1 is not a product of any of Volkswagen’s modular Baukästen (assembly kits such as the MQB, MLB or MSB, earlier post ). The mechanical water pump actively cools the engine only when operating conditions require it.
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