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.
Unlike its older siblings, the Fire TV stick only displays in 1080P, so if you just got a brand new 4K TV, you won't get the most out of it using this. But, if you've got an older, dumb TV that you'd like to make smart and you like Amazon video, the Fire TV stick is a good option.