Researchers at Purdue found natural gas is a cheaper and cleaner way to fuel city buses.
It stays lit because of gas that seeps out of shale deposits deep underground and provides the flame constant fuel.
Once completed the natural gas plant would employ about two dozen people, approximately the same number as the coal plant.
The Indianapolis Power and Light Company plant is expected to be complete by 2017.
EPA regulations are putting a strain on older coal plants, including some in Indiana.
A bill would provide an income tax credit for three years in an attempt to encourage people to switch to natural gas powered vehicles.
Vectren says it‘s a sign that more people are finding work, and it‘s also due to low natural gas prices.
Indianapolis Homeland Security is now looking for signs of natural gas for the cause of the explosion.
The plan has natural gas customers paying the difference if the state fails to make a profit off of natural gas purchases.
The public hearing on the energy master plan is scheduled next Monday at Whittenberger Auditorium in the Indiana Memorial Union.