First, air quality. Those who cycle into central London are acutely aware of just how bad the air quality is, heck, just walking in the streets you get a constant whiff of exhaust fumes. The second point, though, is 15 years is a really long time in the automotive industry. That’s practically three product lifecycles for one single model and I’m pretty confident that by 2035 the technology will have incrementally improved to a point that doesn’t seem possible in the here-and-now.