Lewis Hamilton was reprimanded for impeding Liam Lawson during Thursday’s second practice in FP2 but this wasn’t the end of the matter.

Even before a single car had turned a wheel on the Baku City Circuit, concerns had been raised about how cars running slowly to harvest or conserve electrical energy through the final corners could represent a hazard to those on a push lap.

In previous years, even those cars not trying to set a timed lap would travel reasonably quickly through Turns 16-19, a left-hander followed by two kinks leading onto the main straight. But the need to preserve electrical power for the strai