Reuters: Venice’s seaport plans to become self-sufficient in its energy needs by building a power plant fueled by algae, in what would be the first facility of its kind in Italy, the port authority said. The plant will be operative in two years and produce 40 megawatts of electricity, Venice’s port authority said, adding that an emissions-free energy source would help preserve the historic lagoon city’s delicate ecological balance. The plant — only the third of its kind being planned …