A slope chart that shows net greenhouse gas emissions credits earned by select automakers for 2012-2021 (averaged), 2022 and 2023. In aggregate, manufacturers were net-positive through 2022, but dipped negative in 2023. Tesla bucked the trend, increasing its credits from an annual average of 7.6m metric tons of CO2 for 2012 to 2021 to 33.9m metric tons in 2023.