Philadelphia Inquirer: For a state that says it’s trying to encourage more alternative-energy use, this is not an especially proud development. Which may explain why Pennsylvania put out no news releases and held no news conferences about it. In fact, physician Mark Lounsbury said it was his own phone call to the state Department of Revenue a few weeks back that led him to a disheartening discovery: The state tax credit approved for a $75,000 photovoltaic system he added to his Chadds Ford home would not be …