Supplement each question about Valero with a paragraph.
- Is Valero an Ethical company?
- Explain whether Valero's incentives match its company policies?
- What impact does Valero have on its employees? Do they change for the better or worse?
- Who gets promoted in the company?
- What's the tone from upper management?
- In the event of an ethical lapse, does Valero cover for its employees?