The diagram below shows the market for green hydrogen.
The shift of the supply curve from S1 S_1\,S1 to S2 S_2\,S2 is most likely to have resulted from
a national marketing campaign that successfully shifts consumer preferences toward zero-emission transportation.
an increase in the price of electricity used to power the water electrolysis process.
the introduction of a new government subsidy paid directly to green hydrogen producers.
a rise in the corporate tax rate applied to clean-energy technology firms.
