 The plug-in market share rose to 7.8% in 2018, ahead of conventional hybrids (4.2%), with the all-electric segment reaching for the first time a higher take-rate as conventional hybrids.The combined take-rate of plug-in cars in California slightly declined to 7.7% in 2019.California has been a leader in the promotion of plug-in electric vehicles as the state has in place several financial and non-financial incentives.