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Diana Polunina

Diana Polunina

Coal has been included in the top profitable assets in 2021: how much has the price increased and what are the reasons

Thermal coal has become one of the most profitable assets since 2021, due to supply disruptions, drought in China, and a resumption in electricity demand.

Electric aircraft, operation during pandemic, and innovations: the top 20 best airlines in the world in 2021

The Australian aviation safety and product quality agency AirlineRatings has announced the top 20 airlines for 2021, according to its report.

Coronavirus Delta: comparison of the vaccines efficacy against a new strain

The formulators of the vaccines against coronavirus Johnson & Johnson, Moderna, AstraZeneca, and Pfizer-BioNTech have announced the effectiveness of their drugs against the Delta strain.