It might sound odd to put the words "energy stocks" and "reliable dividends" in the same sentence. After all, the energy sector is known for being highly volatile thanks to the top- and bottom-line impact of highly volatile oil and natural gas prices. However, ExxonMobil (NYSE: XOM) and Chevron (NYSE: CVX) have both proven that they know how to navigate the energy commodity cycle while still rewarding investors with reliable dividend growth. If you have $500 available to invest that isn't needed for mont ...