By Ron Bousso LONDON (Reuters) – BP is beefing up its hydrogen management team as the energy company prepares to accelerate investments in the low-carbon fuel which it believes will play a key role in the world’s shift away from fossil fuels. The revamp of the hydrogen team is the first clear sign of changes Anja-Isabel Dotzenrath, a former head of RWE Renewables, has made since becoming BP’s head of natural gas and renewables in March. It also comes as BP announces it has agreed to buy a 40.5% stake and become operator of an Australian renewable energy project that could become one of the wor…