The Environmental Protection Agency says the standards will help combat climate change, but Governor Mike Pence says the proposal could hurt Indiana's economy.
Researchers from Purdue University and other institutions have found a way to pinpoint emissions down to the level of a building or a street.
Energy industry representatives who testified before state lawmakers today say the proposed EPA regulations could negatively impact the Indiana economy.
Indiana has been identified as one of the ten worst states for carbon dioxide pollution.
Indiana has joined states across the region in signing on to a Midwestern energy pact aimed at establishing an emissions cap-and-trade system.