November 7, 2025: Clarios has secured a contract with one of the largest private fleets in the US for an innovative product aimed at reducing idling times in heavy-duty vehicles.

The battery giant said on October 27 the fleet deal, with Iowa-based Ruan Transportation Management Systems, marked a milestone in the expansion of its new Connected Services business unit.

The contract comes less than a year after the unit signed its first commercial agreement with a European fleet operator for the ‘IdleLess’ product.

Clarios said then that the unit represented a new era of battery intelligence to transform the management of vehicle power systems and was designed to maximize the benefits of heavy duty Clarios AGM batteries.

Previously exclusive to Europe, the product is now available to fleets across the US.

Ruan will deploy IdleLess to reduce fuel consumption, avoid battery-related downtime events, and support its long-term sustainability strategy.

The firm, which has over 3,500 power units and 9,500 trailers, said it will begin deploying IdleLess in phases, with expansion planned alongside driver training programs to maximize idle reduction benefits and operational impact.

Connected Services is a modular platform that uses real-time battery data. IdleLess monitors battery charge levels and sends alerts informing when to start or stop the engine to maintain optimal battery health. This reduces unnecessary idling, lowers fuel consumption, and extends battery life, all while maintaining cabin comfort and vehicle operational readiness.

By integrating IdleLess into its fleet operations, Ruan aims to significantly reduce greenhouse gas emissions and boost its sustainability credentials.

“This agreement reflects the growing demand for intelligent energy solutions in commercial transportation,” said Cagatay Topcu, VP of Connected Services.