| clean_colnames | Tidy up intensity results column names | 
| get_british_ci | Fetch British carbon intensity data for specified time period | 
| get_data | Retrieve raw data from Carbon Intensity API | 
| get_factors | Get Carbon Intensity factors for each fuel type | 
| get_mix | Get generation mix for current half hour | 
| get_national_ci | Get Carbon Intensity data for current half hour for a specified GB Region | 
| get_postcode_ci | Get Carbon Intensity for specified postcode. | 
| get_regional_ci | Get Carbon Intensity data between specified datetimes for specified region | 
| get_stats | Get Carbon Intensity statistics between from and to dates | 
| regions_lookup | regions_lookup |