Study finds solo hybrid drivers in California HOV lanes amplify congestion, create up to $4,500 per car in adverse social costs annually
Green Car Congress
SEPTEMBER 30, 2014
However, two-thirds of the sticker registrants had hybrid cars already on the road, the authors noted; in other words, the stimulus effect was lower than expected. Thus, carpooler congestion costs substantially outweigh the green benefits of hybrids, the researchers concluded.
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