How much HP does a Banks intercooler upgrade add to a 6.7 Cummins & how does it work?

There are many options to boost the horsepower of a 6.7L Cummins engine. Here's how an upgraded intercooler from Banks can ...

Fallout from first race since biggest rule changes - F1 Q&A

BBC Sport F1 correspondent Andrew Benson answers your questions following the season-opening Australian Grand Prix.