If hydrogen were to replace fossil fuel entirely, the researchers estimate that 60 to 120 trillion grams of hydrogen would be released each year into the atmosphere, assuming a 10-to-20-percent loss rate due to leakage.
The Fire TV can have a wired connection, the Fire TV Stick is wireless only. The Fire TV has Dolby Digital Plus & 5.1 surround sound, the Fire TV Stick is Dolby Digital Plus only. The Fire TV can do all Amazon games including hi-res video games, the Fire TV Stick only has a limited set of games it will play.
Amazonâs Fire TV box has 4K, but the Stick is still lagging behind in terms of capability. The new Fire TV Stick will be released in the US on October 20 for $39.99 (Â£30.74) and customers who activate the stick by October 31 will be able to access free content from Sling TV, Hulu and Amazon Video.