The annual ranking from Greenpeace East Asia evaluates the world’s 15 largest traditional carmakers on their phase-out of combustion engine vehicles, supply chain decarbonisation, and resource reduction and circularity.

This year, Japan’s Suzuki received the lowest score, followed by China’s Great Wall Motor and Japanese firm Toyota. China’s largest automaker, SAIC, had the highest volume of EV sales, but took just third place in the ranking due to its slow progress on supply chain decarbonisation. In 2022, three in every 10 vehicles sold by SAIC were EVs.

Chongqing-based Changan and Great Wall Motor ranked 12th and 14th respectively due to poor supply chain decarbonisation, despite their relatively high proportion of zero-emission vehicle sales.

“Neither automaker has issued adequate commitments to reduce emissions from production and materials,” the charity said.

The report also singled out efforts by Great Wall Motor and Hyundai-Kia to grow their SUV...