Oil prices have been buoyed this week by promising inflation data in the U.S., although the uncertainty surrounding China's oil demand will keep oil markets on edge.Oilprice Alert: In this week's Global Energy Alert, Oilprice.com's head trader is finally breaking his silence on coal stocks. It's been well over a year of silence from him as the industry has boomed, and now he has found a trade he absolutely loves. Sign up today to read that analysis, and if you aren't enjoying it after the first month we'll give you your money back.Friday,…