Adoption of EVs in the U.S. market began a steady rise in 2011. Conditions were favourable when average gasoline prices were in the range of $3.75 to $4.00 a gallon. Sales numbers of almost 10,000 a month still pale compared to overall U.S. auto sales of over a million a month; however it’s the uptrend of early adoption that’s noteworthy. Over the past six months, U.S. sales momentum appears to have fallen in tandem with gasoline prices; this is not surprising as there is less incentive for consumers to plug in when the price spread between the pump and the wall socket narrows. But like a race, it’s too early to call a downtrend.