THW vs CLNE Comparison

Tekla World Healthcare Fund is a diversified closed-end management investment company. Its investment objective is to seek current income and long-term capital appreciation through investments in U.S. and non-U.S. companies engaged in the healthcare industry. The company's investment portfolio comprises investments in different sub-sectors such as pharmaceuticals and biotechnology, healthcare providers and services, real estate investment trusts, medical devices and diagnostics, and other areas. It also male into REIT Real Estate.

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.