Mary Fisher wrote:

If you burn veg oil in your boiler, your net CO2 contribution is almost
zero (processing/transport costs mean it isn't *zero*). This is a far
'greener' way of heating your house than using electricity derived from
any source other than nuclear.


Wind.

I did think about mentioning it, but it isn't really a viable
alternative - how much of our energy could realistically come from wind?


--
Grunff