PARIS( Reuters)-France wants to be a leader in green hydrogen by 2030 and build new, smaller nuclear reactors as part of a 30 billion euro($ 35 billion) investment plan aimed at fostering industrial champions and innovation, President Emmanuel Macron said on Tuesday. Speaking six months before the presidential election, Macron said his long-term road map, dubbed" France 2030", would ensure the country massively decarbonises its industry and brings industrial production in key areas closer to hom