"So they have been running with suboptimal feedstock for years. This will, in time, produce better margins across jet fuel, asphalt, and diesel … I have owned Valero since 2020, and I am more resolved to holding it even longer after this weekend.†Valero Energy has emerged as a key focus for investors after renewed attention on Venezuela's oil sector following the capture of President Nicolas Maduro and US President Donald Trump's push to encourage American oil companies to help revive the country's batter ...