On a day he appeared to revert towards Version 1.0, Valtteri Bottas reveals his Bahrain efforts were not helped by an errant plastic bag. read more »

Honda to revert to Spec 3 power unit in Brazil read more »

Honda will revert to its previous Formula 1 engine specification for the Mexican Grand Prix, with Pierre Gasly to start at the back for the second race in a row read more »

Honda confirms it will revert to its B-spec Formula 1 power unit for the remainder of the Russian Grand Prix race weekend. read more »

Pierre Gasly and Brendon Hartley will run Honda's older specification engine from FP3 onward after the Japanese manufacturer declared there is "still some work to... read more »

STR drivers revert to older specification Honda engine read more »

Red Bull knew they would have to revert back to a B-spec engine at some point when they took the new C-spec unit, as the update cannot currently run at high altitude circuits. read more »

Red Bull always knew it would have to revert to Renault's B-spec engine even before Verstappen's Singapore issue. read more »

Red Bull drivers Max Verstappen and Daniel Ricciardo are braced for grid penalties at the Russian GP as the team revert to Renault's 'B-spec' engine. read more »

Having had to revert to an older chassis following the first lap crash in Belgium, Fernando Alonso fears lack of latest-spec spares. read more »

Daniel Ricciardo is set for more engine penalties later in the season after being forced to revert to an older-spec power unit in Hungary. read more »

Failing to make it to Q2, Pierre Gasly rues the need to revert to the old-spec Honda engine after FP3. read more »

Toro Rosso's Pierre Gasly has reflected on a "tough" qualifying session after having to swap to an old-spec Honda engine in Canada. read more »

Valtteri Bottas insists he will not need to revert to mind games to beat Mercedes teammate Lewis Hamilton in 2018. read more »

Williams has revealed that Lance Stroll was hampered in Formula 1's Brazilian Grand Prix by a lack of engine power, after being forced to revert to an older-specification... read more »

McLaren's Stoffel Vandoorne will revert to Honda's Spec 3.7 power unit in Mexico after an anomaly was detected on his new specification engine on Friday… read more »

It was not a good morning for Formula 1’s Spanish contingent in Austria on Saturday as Fernando Alonso had to revert to the older spec Honda engine and Carlos Sainz’s P3 ended... read more »

Fernando Alonso has reverted to the 'spec 2' Honda Formula 1 engine for the remainder of the Austrian Grand Prix weekend after a problem was discovered with his... read more »

Pascal Wehrlein's Sauber is set to need a new gearbox after his Canadian Grand Prix qualifying crash, and will have to revert to an older-spec rear wing read more »

Guenther Steiner has confirmed Haas will revert to Brembo brakes for the Spanish GP having hit trouble with Carbon Industrie brakes in Russia read more »

The Haas Formula 1 team has decided to revert to Brembo brakes for the remainder of the Russian Grand Prix weekend, following its test with Carbone Industrie in practice read more »

The Malaysia GP will drop off the F1 calendar from 2018 - but the return of the French and German GPs mean next season's schedule will revert to a joint-record 21 races. read more »

Renault is hoping to get its 2017 MGU-K back on its cars from the Russian Grand Prix, after having to revert to last year's specification for the start of the Formula 1 season read more »

Fernando Alonso will revert back to an old specification engine, after a water leak on the new PU introduced in Belgium, ended his FP1 session prematurely read more »

The Force India Formula 1 team will revert to old-spec rear suspension in British Grand Prix practice as it chases a solution to its tyre problems, says Sergio Perez read more »