- A8
- Audi's large luxury sedan, a top model in the brand's lineup.
- architecture
- The basic design framework that a car is built on, including its electronics and software structure.
- Audi
- A German luxury car brand owned by the Volkswagen Group.
- Axial Seamount
- An active underwater volcano in the northeast Pacific Ocean where the test took place.
- Bol d'Or
- A famous 24-hour motorcycle race in southern France, and the nickname of Honda's old CB bikes.
- C-ITS
- Next-generation smart transport systems where cars and roads share information to improve safety and traffic flow.
- CBAM
- Carbon Border Adjustment Mechanism: an EU rule that charges a cost for carbon released when making imported goods.
- Changchun
- A city in northeast China where Audi has a car factory.
- CO₂
- Carbon dioxide, a gas made when fuel burns. It is a main cause of climate change.
- electric vehicles (EVs)
- Cars, trucks or buses that run on electricity stored in batteries.
- Endurance Energy
- A Seattle startup that is building small underwater geothermal power plants.
- energy transition
- The shift from fossil fuels like coal, oil and gas to cleaner energy sources.