Horse Powertrain reveals 1.1-metre submersible B20 hybrid combustion engineMike Ruff8 September, 202614 September, 2026 by Mike Ruff8 September, 202614 September, 20260 Powertrain manufacturer Horse, the global joint venture established by Renault Group and Geely, has revealed a fully waterproof 2.0-litre petrol engine designed to operate while...