How different would it be if the majority of Americans drove manual cars instead of automatic cars?

Since the automatic transmission was invented in America, it would only make sense for it to take off in America, so let's say that the automatic transmission was never invented in America (rather elsewhere outside of America) and the majority of Americans ended up driving manual. So what if the majority of... show more Since the automatic transmission was invented in America, it would only make sense for it to take off in America, so let's say that the automatic transmission was never invented in America (rather elsewhere outside of America) and the majority of Americans ended up driving manual.

So what if the majority of Americans drove manual cars instead of automatic cars?
Update: *Since the automatic transmission was invented in North America (Canada),...
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