Please note: we're the original and only source of our independently validated Green Machines. This is a very specific and exact technology.
Therefore, we cannot guarantee or troubleshoot issues with reportedly similar products sold around the web. Thank you for your understanding.

Compare The Green Machines


Hydrocharger Systems WaterGas Injector Brown's Gas Electrolyzer Brown's Gas Injector


Sale Price
(limited time only)
HC #1: $275.00
HC #2: $295.00
HC #3: $315.00
$75.00 $185.00 $195.00
Gas Mileage Improvement 20–30+ MPG 3–5+ MPG 10–20+ MPG 15–25+ MPG
Installation Time 30 min. 30 min. 2–4 hrs. 45 min.
Electrical Ignition-on power circuit No electrical parts Switched with 10 amp fuse to battery connector Transformer Electrolyzer and Air Pump
Water / Electrolyte Uses tap water
(no caustic electrolytes)
Uses tap water
(no caustic electrolytes)
Uses distilled water with 1 tsp. Baking Powder
(no caustic electrolytes)
Uses charged water with 2 tsp. Hydrogen Peroxide
(no caustic electrolytes)
Change Water Refill & clean in 2 weeks. Refill & clean in 3 mths. Refill & clean in 1 mth. Refill & clean in 5–7 days
Kit pays for itself in... 42 days 39 days 61 days 50 days
Savings/month1 $139.18 $58.33 $90.74 $116.67
Savings/year1 $1,670.16 $700.00 $1,088.89 $1,400.00
Guarantee All kits are backed by our 60-day, 100% money back guarantee.
Buy #1
Buy #2 Buy #3
Buy Now! Buy Now! Buy Now!




Bulk Order Discounts
Due to popular demand, we're pleased to be offering the following discounts on bulk orders:
10–25 kits: 7% off entire order (automatically applied at checkout)
26–50 kits: 10% off entire order (enter promo code "BULK2650" at checkout)

Thanks for your feedback!







1Estimates for a 20 MPG car, price/gallon of $3.50, mileage/month of 2,000, and a mileage percent improvement of 20% (WaterGas Injector), 35% (Brown's Gas Electrolyzer), 50% (Brown's Gas Injector) and 55% (HydroCharger). Based on your vehicle and local price of gas, results may vary (potentially, even better than estimated!). Please contact us if you have any questions or would like to share your success story. For a list of commonly asked questions, please visit our FAQ page.

WaterToGas.com Radio Interview

Bill Lang interviewed by the Kentucky Water Fuel Museum

Soon after the interview, we validated those high output results and launched our most powerful and popular systems to-date, the Brown's Gas Injector and our 2nd-generation HydroCharger product line.