Ernie, you got your Cd figure wrong for sure. Maybe you meant CdA, since you mentioned frontal area, but even then 0.02 figure does not seem right.
Honestly, what's wrong with trains? I traveled to Italy last year, taking the train for more or less 200 miles everyday. There were trains every 15 minutes during peak hours and those things travel up to 100 mph with no traffic! And it was insanely cheap!
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