E100 petrol rules explained: what changes for your car
The government now allows fuel made entirely of ethanol, but only in flex-fuel vehicles built for it; existing cars do not need to switch.
2 min readUseful
Explainers, guides and lists worth keeping.
How Rankings Work at the Olympics — and in Every Other Sport
The medal table nobody officially keeps, why some events hand out two bronzes, and the maths behind world rankings from tennis to football.
6 min readYou're all caught up