REF: Blowing Hot Air (Gazette & Herald, November 5) Perhaps Jill Knight will tell us how “electricity can be stored” – a problem which has defied the best brains for many years. Please don’t say “batteries”, it is the wrong sort of electricity.

All fossil fuels mean a high cost to the environment, she says; what exactly is gas from fracking – a fossil fuel?

As for wind turbines encouraging British manufacturing, current figures show British contribution to wind farms is at best very, very, small and mostly minute.

This theory goes along with “building industrial premises creates new jobs” – a common fallacy encouraged by developers. More jobs create a demand for premises, not vice-versa.

K Hillier, Thornton-le-Dale