China (nationwide)

Joint initiative between Apple and partner companies to install 2 gigawatts of renewable energy capacity throughout China, with solar power as a significant focus.

Produces global energy analysis and policy research.

A technology that combines hydrogen and oxygen in a clean, electrochemical process to generate power, releasing only water vapor as a byproduct.

Vehicles powered entirely by electricity stored in batteries. The survey found these experienced the largest decline in consumer interest, dropping from 55% consideration in April 2014 to 34% by the time of the survey.

Vehicles powered by fuel cell systems that consume hydrogen to produce electricity. These vehicles operate using electricity generated by the fuel cell system and produce only water vapor and oxygen as byproducts, making them environmentally friendly.