The heat-to-electricity company's Total and SABIC-backed series B-1 round lifted its total funding to more than $21m.

Digital publishing platform Issuu has raised $10m in series B funding from the KDDI Innovation Fund and Sunstone Capital.

Capillary technologies, which is backed by Qualcomm Ventures and American Express, has raised $14m in a series B round to fund continued growth.

The plastics recycler has raised $17m in a Waste Management-backed debt and equity round that increased its total funding to $79m.

Sinar Mas has made an additional investment in the broadband service as it applies to be Singapore's fourth mobile network operator.

The online dog treat delivery service has raised $15m in a series B round that took its total funding to $21.7m.

Boutique gym chain Gymbox has received a $17m investment from BGF to fund its UK-wide roll-out.

International biotech company Ayoxxa Biosystems has raised $12m in a series B round that included all its existing investors.

Online gaming services provider Curse has raised $16m to expand its gamer voice service.

Online steel trading platform Gtxh has raised $10m in a series A round led by Bertelsmann's Asia Investment Fund.