If only…
Energy Recovery (Nasdaq: ERII) provides products that recover energy from processes that involve high pressure fluid transfer, such as in the water desalination, oil, gas and chemical industries.
In late 2015 it signed a 15-year agreement with oil-field services company Schlumberger for the use of one of its hydraulic pumping systems in the fracking industry. The last year has seen the shares shoot up by more than 500%.
Be glad you didn’t…
Intelligent Energy Holdings (Aim: IEH) makes hydrogen fuels cells for the automotive, domestic and telecommunications sectors. It was created from a Loughborough University spin-off in the 1990s and listed on Aim at 340p a share in June 2014.
The company lost £67m in the six months to the end of March 2015, and has recently undergone a restructuring, aiming to “focus on revenue generation and cash by becoming more commercial”. Its shares have rallied recently, but have still lost more than 80% in the last year.