VALERO ENERGY CORP/TX Annual Report, Year Ended Dec 31, 2015

Valero Energy Corporation's 2015 10-K filing reveals a strong year for its refining segment, which saw a significant increase in operating income driven by higher gasoline margins and improved performance from other refined products. This was partially offset by lower distillate margins and reduced benefits from processing certain crude oil feedstocks. The company's ethanol segment experienced a considerable decline in operating income due to lower ethanol and co-product prices, despite lower corn feedstock costs. Despite the challenging ethanol market, Valero demonstrated solid overall financial performance, with net income attributable to stockholders from continuing operations reaching $4.0 billion. The company actively managed its capital through debt issuances and significant share repurchases, demonstrating a commitment to returning value to shareholders. Valero's substantial refining capacity across the U.S., Canada, and the UK positions it as a key player in the energy market, though the company remains exposed to the inherent volatility of refining margins and fluctuating feedstock costs.