The energy sector has endured yet another lackluster year, with the S&P 500 Energy Sector having returned 7.1% in the year-to-date, the fourth lowest among the 11 market sectors in the S&P 500. Both Oil & Gas as well as renewable energy stocks have underperformed, with the Energy Select Sector SPDR Fund (NYSEARCA:XLE), the famous oil and gas benchmark, having gained 7.3% YTD compared to -22.6% return by the iShares Global Clean Energy ETF (NASDAQ:ICLN) and 27.6% by the S&P 500. Unfortunately, both fossil fuel and clean energy sectors…