“You don’t need to sign anything [with Vial],” says Clovis Correa, renewable-energy business manager at semi-private state oil company Petrobras, which has ordered Wobben turbines.
A promise from the president of Wobben — a subsidiary of Germany’s Enercon — means something in a country where talk is often just that, says Correa.
Vial has braved the often choppy waters of Brazilian wind politics since 1995, when Aloys Wobben himself asked him to build a manufacturing plant in Sorocaba, São Paulo state.
“Fifteen
