March 16 (Reuters) - A group of 20 state attorneys

general said on Monday the Trump administration proposal to

boost American content in federally funded electric vehicle

charging stations would effectively make the $5 billion program

unusable.

The attorneys general from states including California,

Colorado, Arizona, New York and Michigan, said the

Transportation Department proposal to hike so-called "Buy

America" requirements from 55% to 100% would make it "impossible

for manufacturers to achieve, frustrate congressional intent,

and impair the public interest by slowing or halting federally

funded EV charger deployment nationwide."