State Impact Pennsylvania’s Susan Phillips reviews “Frack Nation,” the new film about Pennsylvania’s Marcellus Shale region and the natural gas drilling industry. Carolyn Beeler explains a Pennsylvania bill that would increase options for solar power. Tom MacDonald tours the Philadelphia Auto Show and learns about all the new connectivity in cars. Emma Jacobs reports on Pennsylvania’s new “benefit corporation” program. Dave Heller talks with historian James Peterson about the PBS series The Abolitionists and Philadelphia’s role in the fight to end slavery. Peter Crimmins visits an art exhibit at Rutgers Camden, about Camden.