You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For consistency, answers should be in all lower cased letters.

Category: CARS 
Clue: This international automaker opened a U.S. plant in 1978 to build Rabbits
volkswagen

Category: THE "LONG" & THE "SHORT" OF IT 
Clue: Take note: a secretary takes notes using this system that uses symbols for words & phrases
shorthand

Category: ENERGY 
Clue: Before their energy can be released, molecules of this in potatoes must be broken down into sugars

starch