Which invention allowed cars to replace horse-drawn carriages?

What does ABS stand for in car safety systems?

Which type of energy is used by electric trains?

Which transportation technology helps airplanes fly automatically without much pilot control?

What is the main technology used in bullet trains to reduce air resistance?

Which innovation is most important in self-driving (autonomous) vehicles?

What fuel does a hydrogen fuel cell vehicle use?

Which of the following helps ships navigate and avoid collisions?

Which part of a spacecraft helps it escape Earth’s gravity?

Which innovation makes hybrid cars fuel-efficient?