'Drill, baby, drill' is Trump's prime agenda in his second term. What is it?

In his second term, drill, baby, drill is Donald Trump's one of prime agendas- to have energy independence and energy dominance. Trump's 2024 election campaign, built on bedrock of US domestic oil and gas production. Trump asserted his oil and gas policy would cut your energy prices in half, telling voters that within a year of his inauguration in January 2025, they'd see a 50% decrease in costs. Let's understand what is drill, baby, drill and why are experts concerned about it?