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XL1 dive and drive: Volkswagen aggressively optimizes for efficiency in its sleek diesel plug-in hybrid

Green Car Congress

The XL1 is aggressively optimized for efficiency in all areas of its design and technology—from materials (carbon fiber reinforced polymer monocoque); to powertrain (0.8L The XL1 has a top speed (electronically controlled) of 160 km/h (99 mph); cruising at a constant 100 km/h the XL1 uses only 8.3 kWh to cover more than 0.6

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