Interesting how memory does that to you doesn't it. I would have been too young to be doing homework in 1974, but very clearly remember the fuel shortages that year as we went on holiday to Scotland on the motorail. My parents had to phone my grandad, who had to wire money to the local Post...
I was clearing out a shed last year, and came across loads of bags of tea-lights that someone must have left there years ago. I won't need to join the merry rush.
And I still have the family oil lamp that me & my sisters did our homework to in the winter of discontent when we had the planned...