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Conflicting bio-fuels
- Bio-fuels and their greenhouse gas emissions per passenger kilometre.
Bio-fuels are often preferable to pure CO2 emissions from fossil fuels. If, however, other environmental aspects such as over-fertilisation, use of space and their effects on animal and plant communities are taken into consideration, a lot of bio fuels appear ambivalent.
Bio fuels made from waste products are usually advantageous. If, however, plants are specially used to produce fuels, then the social balance and side effects are less favourable.
Energy labels for personal vehicles
- Greenhouse gas emissions of different cars and their energy labels.
The energy label provides information about the fuel consumption and CO2 emissions of personal vehicles. This is necessary as the differences between car models (even those of the same class) are very large.
The label is intended to help reduce the fuel consumption of Swiss cars from an average 8.4 litres (2000) to 6.4 litres (2008) and 140 grams of CO2 per kilometre. This involves an agreement between the Association of Automobile Importers and the Federal Government. In 2006 the average CO2 emission of each car in Switzerland was, however, 204 grams per kilometre.
Source: EMPA 2007
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