Confident of monopoly and interested only in short term profit, big Auto in the 1970s ignored the public swell towards small fuel efficient cars. Delaying the inevitable they slowly lost market share; the Japanese won that one.
Electric cars. All the car manufacturers have vested interests these days – delay, delay – but wait its too late, the barrier to entry has dropped, small companies can now make (or modify) cars that you can plug in.
Bring on home electricity generation. Centralized infrastructure bytes the dust.