Seven-Eleven Japan (Japan’s largest “Konbini” convenience store chain) is rolling out its innovative “Hydrogen Roasted” iced coffee nationwide in collaboration with UCC Ueshima Coffee. Following the buzz surrounding the hot coffee released in October 2025, “Seven Cafe Hydrogen Roasted Coffee Iced R”—perfect for the warmer seasons—will join the lineup starting Tuesday, April 7, 2026.
Creating the Future: “Hydrogen Roasting” Technology Comes to Iced Coffee! The Secret to an Overwhelmingly Clear Taste
The newly introduced “Seven Cafe Hydrogen Roasted Coffee Iced R” is produced using the world’s first mass-production “Large-scale Hydrogen Roasting Machine” successfully developed by UCC. Unlike traditional roasting methods that use fossil fuels, this next-generation coffee production technology reduces CO2 emissions during the roasting process to zero.
The most significant feature of hydrogen roasting is the ability to adjust the heat with extreme precision, a characteristic unique to hydrogen. Since it allows for roasting across a wider range of temperatures than previous technologies, it maximizes the inherent potential of the coffee beans while minimizing “off-flavors” (bitterness and unpleasant aftertastes) to the absolute limit. As a result, it achieves a “clear aftertaste” never before experienced in iced coffee.
Basic Information for “Seven Cafe Hydrogen Roasted Coffee Iced R”
- Price: 156 yen (168.48 yen including tax / approx. $1.12 USD)
- Release Date: Starting Tuesday, April 7, 2026, rolling out sequentially across Japan
- Sales Area: Seven-Eleven stores nationwide in Japan
- Flavor Profile: Low in off-flavors, with a solid body yet an extremely clear and refreshing aftertaste.
While the standard Seven Cafe is already of very high quality, this hydrogen-roasted version is specifically crafted so that even those who find the bitterness of coffee challenging can enjoy it comfortably. It is a cup where the refreshment lasts from the first sip to the last.
Two Cups a Day Equals One Planted Tree? The Environmental Contribution Hidden Behind the Flavor
This coffee’s identity isn’t just about being “delicious”; it’s also about being “sustainable.” UCC’s proprietary “HydroMaster” large-scale hydrogen roasting machine began full-scale mass production in April 2025, serving as a pioneer in carbon-neutral coffee manufacturing.
By simply choosing this hydrogen-roasted coffee as part of your daily routine, our lifestyle directly contributes to environmental protection.
- CO2 Emission Reduction: By using hydrogen as the heat source for roasting, emissions have been effectively reduced to zero.
- Reforestation Effect: Estimates show that drinking two cups a day (for example, a morning pick-me-up and an afternoon refresh) for one year results in a CO2 reduction equivalent to the amount absorbed by planting one tree.
The fact that a single cup, easily purchased at a Japanese Konbini, leads to a step toward protecting the Earth’s future is a deeply significant new value provided through the familiar presence of Seven Cafe.
Popular “Hot” Version Also Remains Available! A Luxury You Can Choose Based on the Occasion
While the iced coffee is drawing new attention, the previously released “Seven Cafe Hydrogen Roasted Coffee Hot R” remains available for purchase at Seven-Eleven stores across Japan.
Basic Information for “Seven Cafe Hydrogen Roasted Coffee Hot R”
- Price: 149 yen (160.92 yen including tax / approx. $1.07 USD)
- Sales Area: Seven-Eleven stores nationwide in Japan
- Flavor Profile: A gorgeous aroma with a fruity and mellow acidity.
The characteristic “mellowness” and “lack of off-flavors” unique to hydrogen roasting are also present in the hot version. You can enjoy the fruity aroma of a hot cup on a chilly morning and the clear refreshment of an iced cup in the afternoon as temperatures rise—allowing you to choose based on Japan’s four seasons or your mood of the day.
For outings in the warm season or a refresh during work, why not pick up an eco-friendly “Hydrogen Roasted” iced coffee? This crystal-clear cup is sure to add a refreshing touch to the arrival of the new season.
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