F1 engine manufacturers will have to share tech with new entrants under new rules

Formula One is hoping to attract new engine manufacturers to the grid by introducing rules that require existing manufacturers to share technology with new entrants.

The idea is essentially a compromise solution after the sport's bosses backed down on plans to overhaul Formula One's engine regulations in 2021.

At the start of 2017, the F1 committed itself to making its engines cheaper, more closely matched and louder, but initial plans to simplify the current power units were met with opposition among existing manufacturers, who were concerned it would dumb down the sport and still incur the cost of developing an all-new engine.

Instead, changes to fuel restrictions and rev limits were agreed…