Tow trucks
Question: When racing cars, motorbikes or bicycles “slipstream”—follow
closely behind each other on a racing track—there is undoubtedly a benefit
for the trailing competitor of reduced wind resistance and the pull of the
vacuum created by the vehicle in front making a hole in the air.
However, I’d like to know if there is a corresponding cost to the leading
vehicle in having a competitor following closely behind.
Cars in a drag
Question: My car is small and so slow that even trucks and buses outpace me
on the local highway.
When such a vehicle approaches…



