What we learned this week

A few weeks back I wrote a post listing ten types of energy storage. If you want the same thing in a more detailed 36 page version and written by experts, download the Haynes manual for Electricity Storage, released by Renewable UK.

After some number-crunching, the insurer Direct Line has concluded that it is now cheaper to own an electric car than a petrol car in Britain. Adding in all relevant costs, taxes etc, electric cars save their owners an average of £107 a year.

I’m looking forward to r...