all our drilling activity, twenty-four-seven. and we're sharing what we've learned, so we can all produce energy more safely. safety is a vital part of bp's commitment to america - and to the nearly 250,000 people who work with us here. we invest more in the u.s. than anywhere else in the world. over fifty-five billion dollars here in the last five years - making bp america's largest energy investor. our commitment has never been stronger.