Spanish energy giant Repsol more than doubled its second-quarter net income from a year earlier as higher oil prices offset lower gas realizations and weak refining margins. Repsol reported a net income of $713 million (657 million euros) for the second quarter this year, more than double compared to $334 million (308 million euros) for the same period of 2023. The company, which is expanding its renewables assets and generation, continues to book most of its earnings from the upstream division, which benefited from higher oil prices in the second…