Here is some info, this should do the trick.
Hybrid pre 2005
The Alphard Hybrid qualifies as an Ultra-Low Emissions Vehicle (ULEV), achieving levels 75 per cent below the Japanese government’s 2000 benchmark. The 2.4-litre petrol engine has been developed specifically for use in hybrid systems and features a high-expansion ratio cycle that raises efficiency and reduces friction.
https://media.toyota.co.uk/2003/07/toyota-launches-its-sixth-hybrid-power-vehicle/
All models facelift from 04.2005 onwards
In addition, vehicles equipped with a 2.4L engine (Alphard G / Alphard V) have a "2005 standard exhaust gas 75% reduction level" under the low emission vehicle certification system of the Ministry of Land, Infrastructure, Transport and Tourism by purifying the exhaust gas. Achieved "2010 fuel efficiency standard + 5%" (fuel efficiency target standard set based on the Energy Conservation Law) (vehicles subject to tax reduction measures under the green tax system), further improving environmental performance.
https://global.toyota/jp/newsroom/toyota/21788986.html?_ga=2.218613017.1288158834.1610706832-735599615.1609751502
Japanese emission benchmark: https://www.transportpolicy.net/standard/japan-light-duty-emissions/
You need to calculate 75% from the data in benchmark table to get your results and compare it to EURO standards.