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Progress needs sustainability
Sustainability at Greiwing Truck & Trailer.
GTT Greiwing Truck & Trailer from Greven is promoting sustainable commercial vehicle logistics: renting electric trucks instead of buying them, mobile charging infrastructure, and mobile battery buffer storage from Fleetboost. This enables companies to reduce their CO₂ emissions quickly, economically, and without high initial investments—flexibly, scalably, and without long lead times.
Transparency and compliance are key for us. You can find all downloads on this page: Sustainability Report, Code of Conduct and Climate Strategy. As soon as available, we will also add our EcoVadis assessment and ZNU certification - for a complete picture of our commitment to climate-friendly, legally compliant logistics.
Find out more now, download documents and take the next step towards a sustainable transport future with GTT.
SOCIAL
By 2026, 100% of our employees will participate in at least one qualified training course using our newly implemented training software.
In this way, we specifically strengthen professional competence and safety awareness, promote personal development, and ensure long-term employee retention.
ECOLOGY
In 2025, we achieved a self-consumption rate of 31% with our photovoltaic system. By the end of 2026, we want to increase this to 35% through efficiency improvements.
To this end, we are introducing an intelligent energy management system that analyzes load profiles, continuously evaluates consumption and generation data, and identifies peak loads. In addition, a battery storage system will be integrated to temporarily store solar power and make it available as needed. This will increase the proportion of solar power used directly, reduce peak loads, and lower our external energy consumption—with a measurable contribution to climate protection.
ECONOMY
In 2025, electrically powered traction vehicles accounted for 12 percent of our fleet. As part of our climate strategy, we are pursuing the clear goal of increasing this share to 50 percent emission-free units by 2030. The basis for this is the consistent replacement of conventional tractors with electric vehicles and the parallel expansion of our charging infrastructure. In this way, we combine entrepreneurial performance with a future-oriented, climate-friendly orientation of our vehicle fleet.
In addition, we actively support our customers on their journey to electric mobility. With a specially developed benefits calculator, we create transparency and work together to determine individual cost-effectiveness—taking into account usage profile, mileage, energy prices, and possible subsidies. Supplementary topography analyses map real route and usage conditions and enable a well-founded assessment of range, energy consumption, and charging cycles. On this solid basis, we create planning security and support an economically viable transition to emission-free mobility.
sustainability report 2024
As a rental company and dealer of commercial vehicles
, we recognize the responsibility to integrate sustainable practices into our business and to have a positive impact on the environment and society.
climate strategy
In this climate strategy, we set out transparently how we intend to reduce our emissions step by step, drive forward the expansion of renewable energies and convert our vehicle fleet completely to climate-neutral drive systems by 2045.
Code of conduct
Our Code of Conduct serves as a binding guideline for responsible, honest and respectful cooperation within our company and in our dealings with customers, partners and the public.
whitepaper electromobility
Opportunities and challenges in the transformation process toward a CO2-neutral transport chain
