⛽Flex-Fuel Vehicles & India's Ethanol                          Mobility Push 📍 Why in News? The Union Minister for Petroleum and Natural Gas , Hardeep Singh Puri , highlighted the importance of Flex-Fuel Vehicles (FFVs) during the launch of Hero MotoCorp's flex-fuel motorcycles compatible with E20–E85 ethanol blends . 📚 What are Flex-Fuel Vehicles (FFVs)? A Flex-Fuel Vehicle (FFV) is a vehicle with a specially designed internal combustion engine that can operate on different blends of petrol and ethanol without requiring engine modification by the user. Fuel Blend Composition      E20           20% Ethanol + 80% Petrol      E85           85% Ethanol + 15% Petrol 📊 India's Ethanol Blending Journey      Year                      ...

  TNPSC AURA 🚀 SOLVE: ISRO Successfully Tests Solid Motor for Gaganyaan Mission 🔥 Why in News? The Indian Space Research Organisation (ISRO) successfully conducted the first ground test of the SOLVE solid motor at the Static Test Facility, Satish Dhawan Space Centre (SDSC-SHAR), Sriharikota . This marks an important milestone in India's Gaganyaan Human Spaceflight Mission . 📌 What is SOLVE? SOLVE stands for Sub-Orbital Launch Vehicle for Experiments . It is a specially designed launch vehicle developed by ISRO to test the Crew Module Deceleration System (parachute recovery system) before sending astronauts into space. 🎯 Objectives of SOLVE Validate the parachute recovery system of the Crew Module. Carry the Crew Module to an altitude of 10–17 km . Ensure safe separation and controlled descent. Achieve safe sea splashdown using a 10-parachute recovery system . 🚀 Key Features Feature Details Full Form Sub-Orbital Launch Vehicle for Experiments Developed ...