Some day gas and crude oil will be a thing of the past. With innovations here and there. In your own opinion what will replace gas and crude oil in the international market.
Renewable energy actually got bigger potential than non-renewable energy such as gas and crude oil but the technology hasn't catch up yet.
Solar panel is still inefficient as ever and so on. Maybe 3-5 decades then we will see 90% of energy coming from renewable energy.
As of now crude oil, coal, and gas is still the most utilized source of energy.
Just matter of time until we can harness better energy to prevent climate change. However, it needs massive investment from government. Otherwise it will be another failure.