CLNE vs NKX Comparison

Clean Energy Fuels Corp is a natural gas marketer and retailer operating in the United States and Canada. The company supplies compressed natural gas, liquefied natural gas for the United States (U.S.) and Canadian transportation markets. The majority of revenue is generated within the U.S. and mostly consists of compressed natural gas. The company operates by purchasing natural gas from local utilities; compressing, cooling, or liquefying it at company-owned plants; and selling natural gas products through company-owned or customer-owned fueling stations. The company also builds, operates, and maintains natural gas fueling stations for customers. The company's target markets include heavy-duty trucking, airports, public transit, institutional energy users, and government fleets.

Nuveen California AMT-Free Quality Municipal Income Fund is a diversified closed-end management investment company. Its investment objectives are to provide current income exempt from regular federal and California income tax and to enhance portfolio value relative to the municipal bond market by investing in tax-exempt municipal bonds that the Fund's investment adviser believes are underrated or undervalued or that represent municipal market sectors that are undervalued.