Subject: Energy-efficient transportation design 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Hydrogen-powered train 27 general knowledge quiz questions. It should take around 6 minutes to complete all the questions.

Subject: Hydrogen technology 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Propulsive power 27 general knowledge quiz questions. It should take around 6 minutes to complete all the questions.

Subject: Car channels 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Grid-connected storage 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Battery improvement 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Battery enhancement 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Battery modification 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Battery validation 11 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Battery costs 12 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Battery manufacturers 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Parking reservation sensors 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Transnational technology corporation 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Subsidize 29 general knowledge quiz questions. It should take around 6 minutes to complete all the questions.

Subject: Hydrogen for fuel cell cars for long distances 16 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.