Kolkata Metro Cuts Emissions with Regenerative Braking Tech

27 Jun 2025 CW Team

Metro Railway Kolkata has equipped all new trains with a regenerative braking system that turns the traction motors into generators during deceleration. Instead of wasting kinetic energy as heat, each rake feeds electricity back into the grid.

The city now runs 37 such rakes. In 2024-25 they returned about 10.8 million kilowatt-hours to the network, trimming the power bill by roughly Rs 82 million and avoiding an estimated 13 500 tonnes of CO₂. A study by the operator shows the technology can recapture 17–20 per cent of a train’s energy use, mirroring practices in London, Tokyo and New York.

Besides lowering carbon output, regenerative braking lengthens the service life of wheels, brake discs and pads, cutting maintenance costs.

In a further green move, the metro is installing a 4 MW advanced-chemical-cell battery storage system—the first on Indian Railways—which is due to become operational in July 2025.

Infrastructure Urban

05 Nov 2025

TBO Tek Q2 Profit Climbs 12%, Revenue Surges 26% YoY

TBO Tek Limited one of the world’s largest travel distribution platforms, reported a solid performance for Q2 FY26 with a 26 per cent year-on-year increase in revenue to Rs 5.68 billion, reflecting broad-based growth and improving profitability.The company recorded a Gross Transaction Value (GTV) of Rs 8,901 crore, up 12 per cent YoY, driven by strong performance across Europe, MEA, and APAC regions. Adjusted EBITDA before acquisition-related costs stood at Rs 1.04 billion, up 16 per cent YoY, translating into an 18.32 per cent margin compared to 16.56 per cent in Q1 FY26. Profit after tax r..

Northern Graphite, Rain Carbon Secure R&D Grant for Greener Battery Materials

Northern Graphite Corporation and Rain Carbon Canada Inc, a subsidiary of Rain Carbon Inc, have jointly received up to C$860,000 (€530,000) in funding under the Canada–Germany Collaborative Industrial Research and Development Programme to develop sustainable battery anode materials.The two-year, C$2.2 million project aims to transform natural graphite processing by-products into high-performance, battery-grade anode material (BAM). Supported by the National Research Council of Canada Industrial Research Assistance Programme (NRC IRAP) and Germany’s Federal Ministry for Economic Affairs a..

Antony Waste Q2 Revenue Jumps 16%; Subsidiary Wins Rs 3,200 Cr WtE Projects

Antony Waste Handling Cell Limited (AWHCL), a leading player in India’s municipal solid waste management sector, announced a 16 per cent year-on-year increase in total operating revenue to Rs 2.33 billion for Q2 FY26. The growth was driven by higher waste volumes, escalated contracts, and strong operational execution.EBITDA rose 18 per cent to Rs 570 million, with margins steady at 21.6 per cent, while profit after tax stood at Rs 173 million, up 13 per cent YoY. Revenue from Municipal Solid Waste Collection and Transportation (MSW C&T) reached Rs 1.605 billion, and MSW Processing re..