Task: Translation
Input (English): However, an exception should certainly be made in the case of Shell and BP, for they have changed policy and do not just base their sales on fossil fuels which are damaging to the climate, rather they also invest in forms of energy that have future viability.
Output (Swedish): Här bör man dock säkerligen undanta Shell och BP, eftersom de har ändrat sin politik och inte bara satsar på försäljning av miljöskadliga fossila bränslen, utan också investerar i framtidsdugliga energiformer.