The upper house of the German parliament approved a package of economic relief measures on Friday for residents hit by high inflation, including the introduction of a monthly ticket for public transport for just €9 ($10) nationwide. The government will set aside €2.5 billion to compensate transport operators for the loss in revenue in the months of June, July and August, according to the legislation. Transport Minister Volker Wissing said the initiative was an opportunity to promote climate-friendly mobility and would allow public transport operators to improve their services. Rail and bus ope…