Assessing current vehicle performance and simulating the performance of hydrogen and hybrid cars
The on-the-road performance of passenger cars are often discussed in terms of kilometres driven per MJ (or other unit of energy). This does not do justice to the different payloads that different cars are certified to carry, perhaps considering the poor correlation between required, actually used and available passenger and cargo space characterising the vehicle choice of many passenger car owners. Campaigns have occasionally been directed at increasing customer usage of the available payload (better trip planning, pool arrangements), but automobile sales material often mentions only km/MJ overall performance, if anything at all related to energy efficiency (mentioning energy performance is mandatory in some European countries, but mostly not done in North America).
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