>>And why waste the fitness club energy on nothing? The visitors simply burn their joulories (IS - no calories, jouls!) by lifting weights and putting them back. They could as well roll some alternators.
>>
>There was a porn movie a while back where the theme(????) was converting sexual activity into electrical power. The movie showed couples going to their local power station and < ahem > performing their civic duty.

A while back? I think that was in the time of "Swedish action" movies... probably mid- to late sixties. I've heard of that movie but never really caught the title. Sounded like a comedy, judging by what my friends told me. I think it was Italian.