| A | B | 
| Hybrid | combines two power sources to make it work - gasoline | 
| Greenhouse Gas | burning gasoline produces these in the form of carbon monoxide | 
| Global Warming | greenhouse gases are causing the Earth's average temps to rise | 
| Conventional | standard gas burning cars | 
| Mileage | how far you can drive on each gallon of gasoline | 
| Emission | polluting chemicals | 
| Efficient | uses less gas and gives car better mileage | 
| Rechargeable Battery | batteries that can be reused over and over again | 
| Pollutant | hybrid cars greatly reduce pollution that leads to global warming | 
| Regenerate | gas engine burns gas when battery needs to charge |