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Scarab Sweepers, in partnership with Bennamann, conducted a live demonstration with Maidstone Borough Council (MBC) to showcase a fully renewable, off-grid electric street sweeping solution.
The trial featured the RAVO E2 electric compact sweeper, powered entirely by biomethane-generated electricity using Bennamann’s mobile EV charging system - delivering a truly sustainable, zero-emission operation. This unit allows customers to benefit from electric vehicle technology without the need to invest in costly infrastructure enhancements. It delivers DC charging capacbilities to electric vehicles using truly renewable fuel, which is sourced in the United Kingdom.
Local authorities face growing pressure to decarbonise fleets while overcoming key barriers:
The trial combined two innovative technologies: the RAVO E2 Electric Sweeper (a zero-emission, all-electric compact sweeper built for full-shift performance) and the Bennamann Mobile EV Charger (a portable, off-grid charging unit powered by 100% renewable biomethane).
Key benefits of this collaboration:
This approach removes critical barriers to electrification, enabling local authorities to adopt electric fleets immediately.
The RAVO E2 demonstrated suitability for day-to-day municipal sweeping tasks, matching and outperforming operational expectations of a traditional diesel machine. Whilst in operation, this sweeper delivered zero-emissions and was charged using completely renewable fuel.
The trial delivered measurable sustainability benefits:
Prospective Cost Savings
Switching from diesel to biomethane delivered clear financial advantages (figures correct at the time of publish):
Pricing | Diesel | Biomethane |
Daily Cost | £51.81 | £31.60 |
Weekly Cost | £259.05 | £158.00 |
Annual Cost | £13,108.69 | £7,994.80 |
7-Year Lifecycle | £91,760.83 | £55,963.60 |
This represents a substantial reduction in operational costs alongside environmental gains.
The trial successfully demonstrated:
✅ A fully renewable, off-grid EV charging model.
✅ Practical, real-world electric sweeper performance.
✅ Reduced operational costs and emissions.
✅ A viable pathway for fleet electrification without grid upgrades.
Additionally, insights from the trial are informing further development of Bennamann’s charging system, including increased battery capacity and improved efficiency.
This collaboration highlights a transformative solution for local authorities:
✅ Removes infrastructure barriers to EV adoption.
✅ Accelerates decarbonisation of municipal fleets.
✅ Enables deployment anywhere, including rural and remote locations.
✅ Supports circular economy initiatives through waste-to-energy conversion.
Together, Scarab and Bennamann are enabling councils to take immediate, practical steps toward cleaner, more sustainable urban environments.
The RAVO E2 is a game-changing electric sweeper delivering exceptional operational performance and round-the-clock autonomy. The E2 is the perfect compact sweeper for customers looking to embrace the environmental and operational benefits of electrification while delivering daily cleansing with reduced emissions, noise pollution, and water consumption
Bennamann is a UK-based clean energy technology company specialising in the capture, upgrading, and utilisation of biomethane derived from organic waste. Its innovative solutions transform methane emissions from sources such as farm slurry and food waste into a renewable, low-carbon fuel, supporting the transition to Net Zero while enabling a circular energy economy.
By converting waste emissions into valuable energy, Bennamann’s technologies deliver carbon-negative outcomes, reduce reliance on fossil fuels, and provide businesses and communities with greater energy independence.
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