This is the best writeup I have seen on the VW XL1:
Green Car Congress: XL1 dive and drive: Volkswagen aggressively optimizes for efficiency in its sleek diesel plug-in hybrid
Comparison of the L1 concept prototype and the XL1:
This is good to hear:
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Coasting at higher speeds is noticeably different than in other vehicles—with its very low coefficient of drag, the XL1 feels as if it is slipping through the air, not battering its way ahead.
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But I am unhappy to read this:
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The brake regeneration strategy is very aggressive. Unlike the e-Golf, for example, which uses its paddle shifters to allow the driver to click through three different settings for regen (earlier post), XL1 goes for as much energy as it can get, every time."]The brake regeneration strategy is very aggressive. Unlike the e-Golf, for example, which uses its paddle shifters to allow the driver to click through three different settings for regen (earlier post), XL1 goes for as much energy as it can get, every time.
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