New, energy-efficient technologies for sustainable production Before  After Company name: Vintage Winery Stuttgart GmbH Company description: Just outside Stuttgart, a small village is preserving the tradition of terraced viticulture by cultivating new, resistant grape varieties for more economical and ecological farming. The steep vineyards, unchanged for 100 years, are grazed by dwarf sheep. As Germany’s first crowdfunding winery, Vintage Winery …