The average of five estimates for gas reserves is around 144 trillion m3. If annual extraction rates are at around 2.3 trillion m3, this equates to about 62 years of supply. However, the rate of conversion to gas-fired power generation continues unabated which could make the exhaustion date as soon as 2040. If oil becomes prohibitively expensive due to declining reserves and possible disruption, it may well become cost-effective to convert transport propulsion to fuel cells using hydrogen reformed from natural gas. In this case, reserves could disappear by 2035 or sooner. The world is on course to meet the 2035 prediction with gas consumption increasing by 3.3% in 2004.

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Solar Stirling Engine Basics Explained

Solar Stirling Engine Basics Explained

The solar Stirling engine is progressively becoming a viable alternative to solar panels for its higher efficiency. Stirling engines might be the best way to harvest the power provided by the sun. This is an easy-to-understand explanation of how Stirling engines work, the different types, and why they are more efficient than steam engines.

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