When debating the merits of electric cars, hybrids, hydrogen and other alternative fuels, it’s easy to get tied down in the notion they’re the solution to all our transport problems.

They aren’t, of course — they’re just a solution. Improvements to public transit, encouraging people to walk a little more and even the humble bicycle will play a part. The latter in particular is getting plenty of attention at the moment, as electrically-assisted biking gets ever more popular.