ã¡ãã£ã¢èšäº
ã¬ã¹ç±æ¥ã®æ°ŽçŽ ããç°å¢é©åããIEAãææšãæè³âŠïŒåç=APïŒ
ããºãææ°ããŒã¯ 252
twitterã³ã¡ã³ã 48ä»¶äž 1ïœ48ä»¶
ãTowards hydrogen definitions based on their emissions intensityãèªäºããç°ãªãæ°ŽçŽ çç£ã«ãŒãã®GHG匷床ãè©äŸ¡ãããã®åŒ·åºŠãèŠå¶ãèªèšŒå¶åºŠã®éçºã«æŽ»çšããæ¹æ³ãæ€èšããšèšèŒãããŠããããã«ããããŸã§åæã§ããææšã®ææ¡ãŸã§ã¯èžã¿èŸŒãã§ããªãã(1/n)
æ°ŽçŽ ãçããã°æ°Žã«æããŸããçé
žã¬ã¹ãªãæ€ç©ãé
žçŽ ååããŠãããŸãããæ°Žã¯é»æ°åè§£ããªããã°é
žçŽ ååãåºæ¥ãŸããã誰ããããªããã°é
žçŽ ãæžã£ãŠè¡ãã°ããã§ããïŒ
ãããæ¥çµãå ±ããŠããäžæ©çµã£ãŠãIEAã®å
¬åŒãªãªãŒã¹ã¯ãããä»ã¡ãã£ã¢ã®å ±éãèŠã€ãããªããã ãã©ãã€ã§ããã§ããã
å ·äœçãªäžèº«ãäžæ¬¡æ å ±èŠãŠç¢ºèªããããã§ããã©
å ·äœçãªäžèº«ãäžæ¬¡æ å ±èŠãŠç¢ºèªããããã§ããã©
äœæ°ã«ããã¯ãã¥ãŒã¹ããã
äžå1000äžåãããã§å€©ã¬ã¹åè² ããŠã¿ãããã®ã§ãããð¥¹â£ïž
ãããªãã¥ãŒã¹ããããŸãããã倩ã¬ã¹éèŠé«ãŸâŠãâŠâŠïŒ
ãããªãã¥ãŒã¹ããããŸãããã倩ã¬ã¹éèŠé«ãŸâŠãâŠâŠïŒ
ããã¯ãããã«çŽ äººã§ããããããšæããªããïŒãããªãã¬ã¹çãããŠãç°å¢çã«OKãªããããäœã§ããããèšå€§ãªã³ã¹ããããŠæ°ŽçŽ ã«ïŒãšã
ïŒå€©ç¶ã¬ã¹èµ·æºã®æ°ŽçŽ ã¯ã¯ãªãŒã³ã ãšïŒãŽãŒã«ãã¹ããåããã
A230412
A230412
ãã®ãããããã£ããã§ãGXã®å éãé²ãã®ãããŸã ãŸã æ§åèŠãç¶ãããã§ããã
æ°ŽçŽ ã«ã¯ãåãšãé»åã§ã€ãããã°ãªãŒã³æ°ŽçŽ ãã倩ç¶ã¬ã¹ãªã©åç³çæããã€ããããã®éã«åºãCO2ãååããããã«ãŒæ°ŽçŽ ãããããåç³çæããã€ããæ°ŽçŽ ã§ããæ¡ä»¶ãæºããã°ç°å¢é©åãšã¿ãªãã
co2ååæè¡ã®çºå±ã«ãå¢ããã€ããšè¯ãã§ãã
æ¥æ¬çµæžæ°èã
æ°ŽçŽ ã¯ççŒæã«CO2ãæåºããªãã
çææã«åçå¯èœãšãã«ã®ãŒã®é»åã§äœããã®ããã°ãªãŒã³æ°ŽçŽ ãã
åç³çæããäœãCO2ãååããã®ãããã«ãŒæ°ŽçŽ ãçã«åé¡ãææ§ã ã£ãåé¡å®çŸ©ãææšåããã
çææã«åçå¯èœãšãã«ã®ãŒã®é»åã§äœããã®ããã°ãªãŒã³æ°ŽçŽ ãã
åç³çæããäœãCO2ãååããã®ãããã«ãŒæ°ŽçŽ ãçã«åé¡ãææ§ã ã£ãåé¡å®çŸ©ãææšåããã
åç³çæããã€ããæ°ŽçŽ ã§ããäºé
žåççŽ (CO2)ååãšãã£ãæ¡ä»¶ãæºããã°ç°å¢ã«é©åããŠãããšã¿ãªãã
æ°ŽçŽ ã¯ãšãã«ã®ãŒå¯åºŠãäœããããã ã¬ãœãªã³ã®1/3ãããªã
æ°ŽçŽ ã¯ãšãã«ã®ãŒå¯åºŠãäœããããã ã¬ãœãªã³ã®1/3ãããªã
(ÂŽã»Ïã»`)
æ°ŽçŽ ã®æä»£æ¥ãŠããªã
ãæ°ŽçŽ é¢é£æ ªãã«ã€ããŠãæšææ¥ïŒ13æ¥ïŒå€æ¹ã«åç»å
¬éäºå®ã§ãã
深尟ããã³ã¡ã³ã
ã«ãŒã«ã¡ã€ãã³ã°ã§ã®åœéç«¶äºã¯ãååæºã®éžæãè¿«ããè±ãšã³ãžã³ãã®äºãããããLCAã§ã®è£œåã»ãµãŒãã¹ã®ãè±ççŽ ããå¯èŠåããã«ãŒãã³ãããããªã³ãïŒCO2æåºå±¥æŽïŒã§ã®æšæºåã«ãŠçŸçåãããè±ççŽ ã®ãã¬ãŒãµããªãã£ïŒè¿œè·¡å¯èœæ§ïŒå«ã
ã«ãŒã«ã¡ã€ãã³ã°ã§ã®åœéç«¶äºã¯ãååæºã®éžæãè¿«ããè±ãšã³ãžã³ãã®äºãããããLCAã§ã®è£œåã»ãµãŒãã¹ã®ãè±ççŽ ããå¯èŠåããã«ãŒãã³ãããããªã³ãïŒCO2æåºå±¥æŽïŒã§ã®æšæºåã«ãŠçŸçåãããè±ççŽ ã®ãã¬ãŒãµããªãã£ïŒè¿œè·¡å¯èœæ§ïŒå«ã
åç³çæããã€ããæ°ŽçŽ ã§ããäºé
žåççŽ ïŒCO2ïŒã®ååãšãã£ãæ¡ä»¶ãæºããã°ãç°å¢ã«é©åããŠãããšã¿ãªããšããããšã§ãã
ãªãäžå©ã ãšåãã£ãŠãBEVã§åè² ããããšããã®ããªã
BEVã¯ã¹ãããšåæ§ã®åœå¥ã·ã§ã¢ã«ãªããšæãã
äž»æµã¯BEVã ãã©ãæ°ŽçŽ ç³»èªåè»ã®éèŠãééããªãåºãŠããããFCVã§åè² ããæ¹ãè¯ããšæãã
BEVã¯ã¹ãããšåæ§ã®åœå¥ã·ã§ã¢ã«ãªããšæãã
äž»æµã¯BEVã ãã©ãæ°ŽçŽ ç³»èªåè»ã®éèŠãééããªãåºãŠããããFCVã§åè² ããæ¹ãè¯ããšæãã
ãççŽ éçŽåºŠã1ããã°ã©ã ã®æ°ŽçŽ è£œé ã§åºãCO2ã7ãããäžåãã°ã¯ãªãŒã³ã
åç³çæããã€ããæ°ŽçŽ ã§ããäºé
žåççŽ (CO2)ååãšãã£ãæ¡ä»¶ãæºããã°ç°å¢ã«é©åããŠãããšã¿ãªã
ãã®èšäºã®ããšã®IEAã®ã¬ããŒããäœããæ¢ããŠããã®ã§ããããåç¥ã®æ¹ããã£ããããŸããïŒãšãŠãèå³ãããã®ã§ããèŠã€ãããããããããããé¡ãããŸãã
åããŸãããŽãŒã«ãã¹ã >
ããã©ãããïœïœïœ
åç³çæããã€ããæ°ŽçŽ ã§ãäºé
žåççŽ (CO2)ååãšãã£ãæ¡ä»¶ãæºããã°ç°å¢ã«é©åããŠãããšã¿ãªã
æ°ŽçŽ ã¯è±ççŽ ç€ŸäŒå®çŸã«æ¬ ãããªããšãã«ã®ãŒã§äžçå ±éã®åºæºãã€ããããšã§äŒæ¥ãæè³ããããç°å¢ãæŽåããçã
æ°ŽçŽ ã¯è±ççŽ ç€ŸäŒå®çŸã«æ¬ ãããªããšãã«ã®ãŒã§äžçå ±éã®åºæºãã€ããããšã§äŒæ¥ãæè³ããããç°å¢ãæŽåããçã
CCSãšã®çµã¿åããã¯OKãããã劥åœã§ããã©åçºãããã§ããããã
ãããªãç«åçºé»ãã¬ãœãªã³è»ãCO2ãååããã°ãç°å¢é©åãã«ã§ããããããªããïŒ
ãæ°ŽçŽ è£œé æã«åºãCO2æåºéã®å²åã瀺ããççŽ éçŽåºŠãã䜿ã£ãŠæ±ºããææšããŸãšããã1ããã°ã©ã ã®æ°ŽçŽ è£œé ã§åºãCO2ã7ãããäžåãã°ã¯ãªãŒã³ãšã¿ãªããã£ãŠã©ãããäºã âð©
ãšã©ã®ã€ãŸããã¢ã³ãã«ã¿ãŒã«äººã¯èªåéã®éå²ãããçŒäžã«ãªããã ãªãããããããŒãã³ãšå
šé¢æŠäºããŠæ¶æ»
ãã¡ããã°ããã®ã«ã
誰ã®éœåãªããïŒ
>äŸãã°åç³çæããæ°ŽçŽ ã補é ããŠ7ãã以äžã®CO2ãåºãŠããCO2ã倧æ°ã«æŸåºããªãååæè¡ãªã©ãçšããŠå®è³ªã®æåºéã7ããããå°ãªããªãã°èš±å®¹ããã
æ°ŽçŽ ã¯ççŒæã«CO2åºããªãããã¯ãªãŒã³ïŒ
æ°ŽçŽ äœããšãã«CO2åºãäºãã£ãŠãã¯ãªãŒã³ïŒ
ã¢ãããããªããªâŠ
æ°ŽçŽ äœããšãã«CO2åºãäºãã£ãŠãã¯ãªãŒã³ïŒ
ã¢ãããããªããªâŠ
ãªãã ããšã£ãŠãåŸéããŠè¡ã£ãŠãªãã
æ¹å€ã§ã¯ãªããã
ããããã®éãæ¡ä»¶æºããã¯ç³çç«åãã«ãŒãã³ãªãã»ããã«ãªãã£ãŠãããããå®éãªãããåçºå皌åãèŠããªããªããã
æ¹å€ã§ã¯ãªããã
ããããã®éãæ¡ä»¶æºããã¯ç³çç«åãã«ãŒãã³ãªãã»ããã«ãªãã£ãŠãããããå®éãªãããåçºå皌åãèŠããªããªããã
ãæ¥çµThink!ã³ã¡ã³ãæçš¿ã
ã©ã€ããµã€ã¯ã«ã¢ã»ã¹ã¡ã³ãLCAã®èгç¹ã§ã®ã«ãŒã«ã¡ã€ãã³ã°ã®ååã«èŠæ³šç®ã
ã©ã€ããµã€ã¯ã«ã¢ã»ã¹ã¡ã³ãLCAã®èгç¹ã§ã®ã«ãŒã«ã¡ã€ãã³ã°ã®ååã«èŠæ³šç®ã
ç°å¢å¯Ÿçã£ãŠãã£ãããããorz
ãµãã
»
»
æ°ŽçŽ è£œé æã«åºãCO2æåºéã®å²åã瀺ããççŽ éçŽåºŠãã䜿ã£ãŠæ±ºããææšããŸãšããã1ããã°ã©ã ã®æ°ŽçŽ è£œé ã§åºãCO2ã7ãããäžåãã°ã¯ãªãŒã³ãšã¿ãªãã
矩åã®ãªãææšãã
矩åã®ãªãææšãã
ãããCO2ããªãŒãã®çæ¿ãäžãããªããšã
ãããããã®ãã
2020幎代åŸåããçããå¯èœæ§ããã倩ç¶ã¬ã¹/LNGäœå°ãèæ
®ãããšããã«ãŒæ°ŽçŽ ãéžæè¢ã«å
¥ããŠãããæ¹ãè¯ããšæããŸããã
1.5âç®æšã£ãŠãªããªãã ãããªâŠããã¬ã¹äŒç€Ÿãçµæ§æŠç¥å€ããããããªãïŒ
æ¥æ¬ã®æªæ¥ãããã£ãŠãããšæãã®ã§å¬ããã§ãã
ðšåœéãšãã«ã®ãŒæ©é¢ (IEA) ã¯ãåç³çæã ãã€ããæ°ŽçŽ ã§ãäžå®ã®æ¡ä»¶ãæºããã°ã㯠ãªãŒã³ã ãšã¿ãªãææšããŸãšããããããŸã§ ç°å¢ã«é
æ
®ããæ°ŽçŽ è£œé ã®åºæºã¥ãããèª²é¡ ãšãªã£ãŠããã äžçå
±éã®åºæºãšãã äŒæ¥ã æè³ããããç°å¢ãæŽåããçãã
ãŠã¯ã©ã€ãçŽäºã¯çµå±åçãšãã«ã®ãŒãªããŠç©ºèãªãã®ã ããå°çæž©æåãã©ã®ãããå¿é
ãªãã®ãåãããªããšããããšããã¶ãåºãããã
âIEAã¯åç³çæããã€ããæ°ŽçŽ ã§ãäžå®ã®æ¡ä»¶ãæºããã°ãã¯ãªãŒã³ããšã¿ãªãææšããŸãšãã
âç°å¢ã«é æ ®ããæ°ŽçŽ è£œé ã®åºæºã¥ããã課é¡ãšãªã£ãŠãã
âäžçå ±éã®åºæºãšãäŒæ¥ãæè³ããããç°å¢ãæŽåãã
âç°å¢ã«é æ ®ããæ°ŽçŽ è£œé ã®åºæºã¥ããã課é¡ãšãªã£ãŠãã
âäžçå ±éã®åºæºãšãäŒæ¥ãæè³ããããç°å¢ãæŽåãã
éžæè¢ãïŒã€å¢ããã
ãã«ãŒæ°ŽçŽ ãâïž
>1ããã°ã©ã ã®æ°ŽçŽ è£œé ã§åºãCO2ã7ãããäžåãã°ã¯ãªãŒã³ãšã¿ãªãã