ETF Battles: CTEC vs. PBW vs. TAN - Which Clean Energy ETF do you buy? By: TalkMarkets July 20, 2021 at 10:04 AM EDT Each ETF is judged against the other in key categories like cost, exposure strategy, performance, and a mystery category. Read More >> Related Stocks: GX Cleantech ETF Solar Invesco ETF Wilderhill Clean Energy Invesco ETF