BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20260115T000000Z DTEND:20260115T000000Z SUMMARY:Chem4Energy 2026: Registration deadline for presenting authors due before 15th January 2026 LOCATION:Birchwood Hotel and Conference Centre,Johannesburg,South Africa END:VEVENT END:VCALENDAR