Before the start of the fourth race of the 2021 F1 season in Spain, we bring an overview of the power unit elements usage- exactly half of the drivers have already used the new elements, but only Yuki Tsunoda was forced to take a second engine after his crash in Imola qualifying.

The Yuki Tsunoda became the first driver to use the second of a total of three engines allowed this season as Honda replaced all other power unit components after his crash in the Imola qualifying.

Former Mercedes F1 team executive director Paddy Lowe has revealed that Mercedes hid the maximum power of their 2014 F1 engine for most of the first year of the hybrid era for fear that the FIA ​​would not change the rules to slow them down.

Honda’s F1 boss Toyoharu Tanabe revealed that they have prepared a completely new power unit for 2021 and explained in which areas they have made progress compared to 2020 unit.

Ferrari’s head of power unit development department Enrico Gualtieri explained what changes they have made before the new 2021 F1 season after a disappointing last season in which the main problem was lack of power.

Mercedes has developed a new power unit for the new F1 car for 2021 that has improved performance and greater durability, but also some completely new innovations that have not yet been seen in Formula 1.

Alfa Romeo Racing has released footage of the first fire up of the new Ferrari F1 power unit for 2021, a week before the presentation of their new F1 car for 2021.

Red Bull motorsport advisor Helmut Marko has revealed that Red Bull will set up a new company to prepare and test Honda engines that it will continue to use next year thanks to a decision to freeze engine development that takes effect at the start of 2022 F1 season.

The FIA, Formula 1 and F1 teams have agreed on key points for the new generation of F1 engines to be used from 2025 and the most important point for fans is the goal of making the new power units ‘powerful' and emotive’.

Formula 1 CEO Stefano Domenicali believes the freeze on engine development from 2022 is good for all manufacturers to reduce costs ahead of the arrival of new power units in 2025, not just for Red Bull who will be able to continue using Honda engines.