It is probably the Rolls-Royce emblem. It has two R's overlapping that looks like a line is going through it.
The other possible brand it may be, is the Buick Riviera.
That would be Dodge, and the emblem is a Ram (goat).
It could be an old Buick emblem.
Ford
Toyota
There are quite a few car makers that are located all over the world. Some car makers are, Ford, Honda, Chevrolet, Dodge, BMW, Nissan, and Toyota.
It is the emblem of a Ford Torino.
suzuki
A Maserati
maserati
Triumph
I know of no such car emblem.
They study drag so they can minimise the effect of wind resistance on the car so it cuts through the air cleaner and can go faster.