[missjellyfish]

> They're already trialing overhead wires on some highways for electric trucks.

Yes, and it's a bad idea. The friction between tarmac and rubber is orders of magnitude worse than steel on steel. Electrification alone doesn't solve the problem.

[ZeroGravitas]

Even with that advantage, I think trains will have to work to maintain the upper hand, here's some things they should be looking into:

https://www.oliverwyman.com/our-expertise/insights/2017/sep/...