Today on Current State: Tri-County Regional Planning Commission executive director Susan Pigg talks about area transit needs; author Amy Haimerl discusses her Detroit home fix-up project book "Detroit Hustle" ahead of an appearance in Okemos this week; a conversation with Jeff Cooper of the Renewable Fuels Association on a University of Michigan study indicating that burning biofuels is worse for the environment than fossil fuels; and pianist Yafim Bronfman previews two Michigan concerts.