Ariel (detergent) Automatic" powder. Though with the increasing popularity of automatic front-loading washing machines, a suitable low-suds variant "Ariel Automatic" was eventually launched in the early 1980s. The mid-eighties saw the range expanding to encompass liquid detergent and compact powder. The compact powder was originally known as "Ariel Ultra"; and was subsequently reformulated into the nineties as "Ariel Future". This was possibly in response to Unilever's launch of the ultimately doomed "Persil Power", which was seen to damage clothes. Compact powders never proved popular in the UK, so when the tablet variant appeared in July 1999, the compact version disappeared. In 2003,
Top Tier Detergent Gasoline Agency (EPA) requirement. In addition, Top Tier fuels may not contain metallic additives, which can harm the vehicle emission system and create pollutants. As of 2018, Top Tier Detergent Gasoline is available from 61 licensed retail brands and Top Tier Diesel Fuel is available from 5 licensed retail brands. Licensed Top Tier fuel retailers use a higher level of detergent additives compared to other non Top Tier retailers using only the minimum EPA required detergent additives in order to help prevent the buildup of harmful engine deposits which may reduce fuel economy and optimal engine performance. According to an automotive