The main reason is the high cost of production
No catalyst to produce hydrogen from coal or water

Hydrogen would be a good substitute for gasoline
Advantages and Disadvantages of Hydrogen Energy
Why are we still not using hydrogen engines?
Accuracy 20
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No obvious facts are recorded
Most of the sensational meetings turned out to be fakes

There is no obvious progress in space exploration, so they come up with all sorts of tall tales, because people need to believe in unearthly life
NASA says one reason we have failed to discover intelligent life in outer space is because intelligent societies tend to wipe themselves out
Avoiding the “Great Filter”: Extraterrestrial Life and Humanity’s Future in the Universe
5 possible reasons why aliens do not contact us
Accuracy 30
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In 2042
Although China allocates 3 times more funds to microelectronics than its main competitors. China is currently dependent on US technology, and to overtake the US, it needs to create a new conductor technology. Such technology will be invented by 2040

The U.S. is already creating some tensions with its partners and will not be able to block the supply of key components to China in the future
Exclusive: China readying $143 billion package for its chip firms in face of U.S. curbs
Accuracy 10
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In 2033
The main reason is the political disagreement between members of the European Union

As the European Union is part of NATO, and the U.S. is planning to start a war against Russia and China. Many in the European Union will not like this and will decide to break the alliance
EU crisis: Majority of Europeans believed bloc will fall apart within 20 years
Europe Will Disappear: Prophets Told How It Will Happen
Accuracy 20
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