The Roanoke “Star Tank” is taking place all day at the Grandin CoLab as local entrepreneurs meet with a panel of investors to talk about their products – and why they need funding. The Star Tank format has changed somewhat – the investor panel is seeing fewer prospects today after more upfront vetting – but those that made it through are getting more time for their presentations. Jason Lucas from Giles County pitched his “nitrogen boss” concept as an HVAC and automotive service tool: