It's a gas, gas, gas... gasbag

Talk talk vs. walk walk.

British Gas ad campaign attacks EDF Energy's 'Green Britain Day'

And I suspect all they have now done is highlight where they are both failing.

For the rest, there are always genuine green energy suppliers (but do challenge the claims as some can be equally 'optimistic' on how they get it).

Pipe Dreams

This seems a potentially worthwhile example of eco-cooperation: Toyota and EDF launch recharge points for electric cars

On the matter of semantics, they may be (are they in all uses, or just urban?) 'more' friendly, but no matter how wizzo cannot be deemed to actually help the environment by being made and/or driven.