To applause from oil and gas executives, Chris Wright said natural gas was preferable to renewable energy and climate change ...

However, experts often classify these energy forms into five key categories, each with its distinct characteristics. Wind turbines can be installed on land, known as onshore wind turbines.

Magnetic The energy stored when repelling poles have been pushed closer together or when attracting poles have been pulled further apart. Fridge magnets, compasses, maglev trains which use ...