Here is a treasure trove of data on the auto industry going back 50 decades for those that like data.
Raw data:
https://www.epa.gov/automotive-trend...a#DetailedData
2021 Report:
https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=P1013L1O.pdf
Random 2021 auto facts
85.7% of light duty vehicles had gas engines, 8.9% hybrid, 1.2% diesel, 3.1% EV, 1% PHEV
34.4% are turbocharged. 45.4% have stop/start. 1% have manual transmissions
79.4% of trucks are 4WD. 56% of all vehicles are 4WD
Related to this thread:
Individual manufacturer's CAFE varies
WILDLY based on the footprint rule. For 2020 the lowest was Hyundai at 198 g/mi CO2. The highest large manufacturer was Stellantis at 268 g/mi CO2.
Aston Martin, Honda, Subaru, Tesla, and Volvo generated net GHG credits in 2020
Every manufacturer except for McLaren is sitting on a stockpile of credits. In a shocker - Stellantis has the most credits @ 45 Tg of CO2 (because they buy Tesla's credits) with Honda in 2nd place at 39 Tg, Toyota in 3rd with 27 Tg, and GM just off the podium with 24 Tg.