Going downhill The year was 2018. As the world searched for a sustainable fuel solution, one company announced that they’d cracked the code to run heavy trucks with hydrogen fuel. The trucking industry was estimated to be worth a trillion dollars, and this hydrogen fuel technology would be its next generation. The company’s founder shared a video of a lorry driving along a desert highway. The truck was in motion and the doubters came to a standstill. Investors started pouring money in.