Which hurdles? Electric vehicles are a solved problem. It's just the battery and the electronic to charge the battery were innovation is really needed to extend the reach. In NYC around 1910 all Cabs were full electric, the first official car of an Us president was an electric one. The post services in various countries used full electric cars up to the 1970s. Overall an electric vehicle has less parts and is simpler to design and produce. In China you see already many electric cars and even big Chinese built all electric SUVs. It seems like certain manufacturer of the old age will face reality very soon. There will be a disruption of the market, and they waited for decades and now they will loose a lot of market share.