7 * Fill in: generate, cost, replace, hold, come, develop, exist, : transform. 1 It won't much money to travel on Hyperloop One. 2 We need to up with ideas for energy- efficient transport. 3 New means of transport will the trains and aeroplanes we use today. 4 Hyperloop One will .. ..... the way we travel. 5 Solar panels are an eco-friendly way to electricity 6 The company wants to an eco-friendly mode of transport. 7 The inventor plans to a public test of his high-speed train. 8 Does the technology to create the first working vac train?​