Courtesy MIT Press Hydrogen expert Peter Hoffmann shows many sides of the clean-energy debate. Related Links: Peter Hoffmann Responds to Your Questions About Fuel Cells Volvo Designs Fuel Cell Asphalt Paver The world of alternative fuels works in funny ways. Take hydrogen, which was close to gaining hero status a decade ago. In fuel-cell form, it emits little except for heat, electricity and pure water. Hydrogen appeared to be our ticket out of the fossil-fuel cycle for good.Today, however, natural gas, a fossil fuel (albeit a cleaner-burning one than many other mainstream fuels), is the alternative du jour, while hydrogen
The growing need to collect, store and analyze the huge volumes of data collected from infrastructure project stakeholders is generating a new growth area for construction-sector firms, IT vendors and professionals.