Engine performance is actually increased on LPG if you do it properly. It's less energy dense, so you use more of it, but you get a bigger slower bang, giving y

Engine performance is actually increased on LPG if you do it properly. It's less energy dense, so you use more of it, but you get a bigger slower bang, giving you more torque. You need the timing a bit different. The tanks are far safer than the leaky plastic yoghurt pots that people carry petrol around in under their cars. They can't explode, they can't be ripped open, they can't even be dented. I have attempted to knock a hole in one with a 16-tonne excavator and only succeeded in squashing it a little bit. I've taken LPG tanks out of burnt-out taxis that were still half-full. They're not even under any pressure, they're at 8 bar or so. The main danger if the gas gets out is that it's really really cold! It's still a fossil fuel causing CO2 release but it's a fossil fuel that would just be burnt in a flare stack if you didn't burn it in a car. No-one is going to stop making propane, as long as we make plastics and fertilisers.