The cameras will be fitted on each of the district's 36 daily route buses and a few alternate buses over the summer.

State officials say the cleaner-burning fuel will decrease children's exposure to particulate matter and lower maintenance costs.

Like most states, Indiana doesn't require seatbelts on school buses. Two bills in the Legislature calling for school bus seatbelts to be required didn't receive committee hearings this year.

The competitive grant program, operated by the state Office of Energy Development, will dole out shares from a $300,000 pool of state money.