Honda believe they have delivered a "big improvement" with their F1 engine after a second test of the upgrade at their home Japanese GP. read more »

Lewis Hamilton believes a better understanding of Mercedes' Formula 1 car, rather than any major upgrade, is behind its step up in form in recent grands prix read more »

Toro Rosso will run Honda's latest Formula 1 engine as hoped in Japanese Grand Prix practice, where Pierre Gasly hopes some "fine-tuning" will help it extract... read more »

Ferrari now needs a dramatic turnaround to beat Mercedes to the 2018 Formula 1 world championship, and is counting on the major upgrade it introduced during the Russian Grand Prix read more »

Honda's latest Formula 1 upgrade has moved it ahead of Renault in the engine pecking order, according to Toro Rosso team boss Franz Tost read more »

Honda has reverted to its previous specification of Formula 1 engine despite a positive response to the upgrade in Russian Grand Prix practice read more »

The Renault Formula 1 team will use a new floor over the rest of the Russian Grand Prix weekend, marking the last of its planned major car updates this season read more »

Toro Rosso Formula 1 driver Brendon Hartley says "everyone is quite excited about the step" Honda has made with its latest engine upgrade at the Russian Grand Prix read more »

Renault says Max Verstappen should focus on his car instead of judging Red Bull's switch to an older-specification engine, as it claims his Formula 1 team lobbied for the swap read more »

Both Toro Rosso drivers will take grid penalties this weekend as Honda introduces its latest upgrade. read more »

Both Toro Rosso drivers will receive grid penalties at this weekend's Russian Grand Prix as engine supplier Honda introduces a new power unit upgrade. read more »

Honda has confirmed it will introduce its latest F1 engine upgrade at this weekend's Russian Grand Prix.  read more »

Toro Rosso's Formula 1 drivers will receive the updates they have been "craving" at next month's United States Grand Prix, with the team preparing a new... read more »

Force India left Singapore without points, but its pace over the weekend was boosted by a major upgrade it hopes can help its charge up Formula 1's constructors'... read more »

Honda are reportedly ready to roll out a significant engine upgrade in Russia which would produce more power than Renault. read more »

Renault's latest F1 engine upgrade helped Red Bull secure its best result since July in Singapore, according to Christian Horner.  read more »

The Mexican will start inside the top ten in Singapore for the first time on Sunday, and was full of praise for Force India for the upgrade they've brought to the Marina... read more »

Otmar Szafnauer confirms the team will introduce a new aerodynamic upgrade to the Racing Point Force India car at this weekend's Singapore Grand Prix. read more »

Force India will be hoping for instant performance gains when it introduces a revised F1 aerodynamic package to this weekend's Singapore GP.  read more »

Carlos Sainz Jr believes Renault will "finally make an engine at the level of Mercedes and Ferrari" next season after its latest Formula 1 upgrade made its debut in... read more »

Despite a new C-spec engine upgrade in Monza, Red Bull believe the improved Renault engine is still much slower than Ferrari and Mercedes. read more »

Daniel Ricciardo said the upgraded Renault engine he has taken for this weekend's Italian Grand Prix showed some encouraging early signs. read more »

Renault has confirmed that both Red Bull drivers will run the latest engine upgrade at Monza this weekend. read more »

Ferrari's latest Formula 1 engine is complemented by a new fuel from Shell that is estimated to be worth more than 20% of the upgrade's performance gain read more »

Red Bull's Formula 1 fuel supplier ExxonMobil expects a 0.15-second gain for the team at this weekend's Belgian Grand Prix as the result of the upgrade produced for... read more »