Consider the following statements about alternative-powertrain vehicles: 1. A BEV emits no tailpipe emissions because it carries no internal combustion engine. 2. An FCEV’s only fuel-cell byproduct is water vapour and warm air. 3. A conventional, non-plug-in Hybrid Electric Vehicle (HEV) also counts as an alternative-powertrain vehicle, because it uses an electric motor. Which of the statements given above is/are correct?