Porsche will enter Formula 1 in 2021 having purchased the Red Bull Racing team, so says the latest round of paddock rumours. read more »

McLaren are open to building their own engines for Formula 1 when the regulations change in 2021, but only if the costs of the engines go down. read more »

Pat Symonds has joined Ross Brawn's panel of experts to draw up the 2021 Formula 1 ruleset. read more »

McLaren considering building its own engine for 2021 regulations read more »

Christian Horner fears Renault and Honda won't catch up to rivals before 2021 read more »

McLaren says it would consider building its own Formula 1 engine when new regulations come into play in 2021 - but only if costs have come down dramatically read more »

McLaren's F1 cars could yet be powered by McLaren engines in 2021, that all depends on the forthcoming engine regulations. read more »

Red Bull's Christian Horner fears Renault and Honda will not be able to catch up to Mercedes and Ferrari before F1's engine rules reset in 2021. read more »

McLaren may consider building its own Formula One engine in 2021 if new power unit regulations make it an affordable alternative to being a customer or works team. After three... read more »

Haas Team Principal Guenther Steiner says Formula 1 cannot take a step back with the proposed 2021 engines, which will replace the current V6 power… read more »

Porsche has stated interest in joining Formula One from the 2021 season as an engine manufacturer after leaving the World Endurance Championship. read more »

Porsche confirms F1 interest when 2021 engine is introduced read more »

Porsche's financial boss Lutz Meschke has said they are "encouraged" by the ongoing engine discussions for 2021 and beyond, and are open to joining Formula 1. read more »

Porsche is seriously considering returning to Formula 1 as an engine supplier under the proposed 2021 regulations, says its finance chief read more »

Should the engine proposals for 2021 be cost-effective and attractive, executive director Zak Brown reveals McLaren could develop its own Formula 1 engine. read more »

The good news is that F1 is looking to drop engine grid penalties, the bad news is it may not happen until 2021. read more »

Might a Formula 1 engine for 2021 be in the works at Porsche? read more »

Formula 1 can deliver engines that excite fans in the future without reintroducing V8 units, say leading figures involved in future rule discussions read more »

Goal of 2021 engine is 'louder, cheaper, better' says F1 boss Chase Carey read more »

Formula 1 must consult expert groups over 2021 engine noise read more »

Ilmor is seeking a partner to work with on an engine for Formula 1's new regulations in 2021 read more »

Red Bull boss Christian Horner says Formula One is at a crossroads and must make decisions now in order to remain relevant in the next decade. F1's current hybrid engine... read more »

Aston Martin could be interested in a future Formula 1 engine programme, depending on the outcome of the 2021 rules discussions read more »

Christian Horner believes F1 must decide upon its core objectives ahead of 2021 engine regulations and hints Liberty will be a key influence. read more »

Cosworth could be set for a return to Formula 1 by 2021, if engines become simpler and cheaper! read more »