Welcome to Westonci.ca, the place where your questions find answers from a community of knowledgeable experts. Get quick and reliable answers to your questions from a dedicated community of professionals on our platform. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

21. Which of the following can help increase energy efficiency in the
transportation industry?
a. Cogeneration
b. smart meters
c. LEED certification
d. hydrogen fuel cells
e. molten salt systems