The data do not support your anecdotal evidence. The difference is less than I had thought, about 20% heavier on average relative to the minimum in the 1970s,

The data do not support your anecdotal evidence. The difference is less than I had thought, about 20% heavier on average relative to the minimum in the 1970s, but car size is increasing on average. (Section 4 in the below link.) https://www.epa.gov/automotive-trends/highlights-automotive-trends-report#Highlight4 https://www.epa.gov/automotive-trends/highlights-automotive-...