Honda entered Formula 1’s new era believing it had built the foundations of a competitive power unit for Aston Martin. “For example, MGU-K power changed from, let's say, [120] to 350 kilowatts. So, a challenging point for Honda is just the combination of a lot of changes happening at the same time." "Removing the MGU-H has also been quite challenging on the power unit side,” he said. “Probably that is the most exciting point for power unit manufacturers.