I think to many people get caught up in the fossil fuel vs electric debate when it comes to electric vehicles. We haven't all switched to electric augers because they are "green" we've done it because they are lighter, faster, more convenient easier to maintain etc. Eventually the same will go for a lot of other electric things including vehicles and boats. It wont matter that the electricity comes from Coal or NG, people will buy them because they are just the better choice for their situation.
One could make the argument pretty easily now that a family with two vehicles in a major city with good infrastructure would be better off with one electric and one gas rather than two gas vehicles. Myself with one pickup as a vehicle probably wont be going electric for a long long time yet, but I certainly understand the benefit for some, and that benefit will keep increasing over time as the technology progresses and becomes cheaper.