Professor Manfred Krafft interviewed by Radio RST - Energy crisis & private labels

The energy crisis, price explosions and the threat of inflation are currently placing a particularly heavy burden on consumers' wallets. Now that the Euro has to be turned over twice, consumers are increasingly turning to private labels of well-known supermarket chains, which allows cost savings of 20 to 30%. But do private labels also help to save energy for the general public, since they are produced differently from other branded products?